{"title":"Peptides for Recovery \u0026 Tissue Repair","description":"","products":[{"product_id":"bpc-157","title":"BPC-157 10mg","description":"\u003cstyle\u003e.pp-pdp{--nv:#0d2233;--tl:#3a9ab5;--ink:#1f2937;--mut:#5b6b7a;--ln:#e3e8ee;--sf:#f5f8fa;--gr:#1E9E5A;font-family:Montserrat,-apple-system,sans-serif;color:var(--ink);line-height:1.6;margin:34px 0 0;width:100%;max-width:100%;overflow-x:hidden;background:#fff;text-align:left}.pp-pdp *{box-sizing:border-box}.pp-pdp h2,.pp-pdp h3{color:var(--nv);font-weight:800;line-height:1.15;margin:0 0 14px}.pp-pdp p{color:var(--ink);margin:0 0 14px}.pp-pdp p:last-child{margin-bottom:0}.pp-pdp a{color:#0d6c8a}.pp-pdp .pp-in{max-width:1180px;margin:0 auto;padding:0 24px}.pp-pdp .pp-kick{color:var(--tl);font-size:12px;letter-spacing:2.16px;text-transform:uppercase;font-weight:600;margin:0 0 12px}.pp-pdp .pp-sec{padding:56px 0}.pp-pdp .pp-alt{background:var(--sf)}.pp-pdp .pp-sec h2{font-size:30px}.pp-pdp .pp-prose 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.pp-vbox{padding:20px}.pp-pdp .pp-ov{padding:22px}}\u003c\/style\u003e\n\u003cdiv class=\"pp-pdp\"\u003e\n\u003csection class=\"pp-facts\" id=\"specs\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cdiv class=\"pp-fi\"\u003e\n\u003cb class=\"pp-v3\"\u003eSoft-tissue recovery and repair\u003c\/b\u003e\u003cspan\u003eWhat it is used for\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-fi\"\u003e\n\u003cb class=\"pp-v2\"\u003e500mcg daily\u003c\/b\u003e\u003cspan\u003eTypical dose\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-fi\"\u003e\n\u003cb class=\"pp-v2\"\u003e20 days per vial\u003c\/b\u003e\u003cspan\u003eOne vial lasts\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-fi\"\u003e\n\u003cb class=\"pp-v2\"\u003eIndependently HPLC tested\u003c\/b\u003e\u003cspan\u003eEvery batch\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec\" id=\"overview\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eOverview\u003c\/p\u003e\n\u003ch2\u003eIn plain English\u003c\/h2\u003e\n\u003cdiv class=\"pp-ov pp-prose\"\u003e\n\u003cp\u003eBPC-157 is a small peptide — fifteen amino acids long — originally identified in human gastric juice. It is one of the most widely studied compounds in the recovery category.\u003c\/p\u003e\n\u003cp\u003ePeople use it for slow-healing soft-tissue problems: tendon and ligament strains, muscle tears, joint niggles that keep coming back, and gut irritation. The interest comes from animal studies where it improved blood supply to damaged tissue and sped up repair.\u003c\/p\u003e\n\u003cul class=\"pp-tldr\"\u003e\n\u003cli\u003e\n\u003cb\u003eWhat it is\u003c\/b\u003e\u003cspan\u003eA 15-amino-acid peptide, injected subcutaneously\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMainly used for\u003c\/b\u003e\u003cspan\u003eTendon, ligament, muscle and gut recovery\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTypical protocol\u003c\/b\u003e\u003cspan\u003e500mcg once daily for 4–8 weeks\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec pp-alt\" id=\"how\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cdiv class=\"pp-g2\"\u003e\n\u003cdiv class=\"pp-prose\"\u003e\n\u003cp class=\"pp-kick\"\u003eHow it works\u003c\/p\u003e\n\u003ch2\u003eWhat it actually does\u003c\/h2\u003e\n\u003cp\u003eHealing is limited by blood supply. Damaged tendon and ligament tissue has very little of it, which is why these injuries take months rather than weeks.\u003c\/p\u003e\n\u003cp\u003eBPC-157's main reported effect is on that bottleneck. In animal studies it encourages the growth of new blood vessels into damaged tissue and helps repair cells move to where they are needed.\u003c\/p\u003e\n\u003cp\u003eAlmost all of the evidence is from animal and laboratory work. Human trials are limited. It is not a licensed medicine anywhere.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-media\"\u003e\u003cimg class=\"pp-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0984\/2422\/6090\/files\/purist-bpc-157.png?v=1785967535\" alt=\"BPC-157 molecular structure and mechanism of action diagram\" width=\"1200\" height=\"1200\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdetails class=\"pp-ac pp-more\"\u003e\u003csummary\u003eThe science in detail\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\n\u003cp\u003eBPC-157 is a 15-residue fragment corresponding to a partial sequence of Body Protection Compound, a protein isolated from human gastric juice. It carries no cysteine residues and no disulphide constraint, and is notable within the peptide literature for resisting hydrolysis in gastric acid — the property from which the \"stable gastric pentadecapeptide\" designation derives.\u003c\/p\u003e\n\u003cp\u003eNo single high-affinity receptor for BPC-157 has been identified. The mechanistic literature instead describes convergence on two systems. The first is angiogenic signalling. Hsieh et al. (Journal of Molecular Medicine, 2017) reported that BPC-157's pro-angiogenic activity is associated with activation and upregulation of VEGFR2, with downstream signalling through the Akt–eNOS axis; VEGFR2 blockade attenuated the effect. This places the compound upstream of endothelial cell migration and tube formation rather than acting as a direct growth factor mimetic.\u003c\/p\u003e\n\u003cp\u003eThe second is the nitric oxide system. Work from Sikirić's group and others reports that BPC-157 modulates NO production bidirectionally, counteracting both L-NAME-induced NO blockade and L-arginine-induced NO excess in the same models. Hsieh et al. (Scientific Reports, 2020) described modulation of vasomotor tone via a Src–caveolin-1–eNOS pathway. The practical consequence in these models is homeostatic rather than unidirectional: the peptide appears to restore perturbed NO signalling in either direction.\u003c\/p\u003e\n\u003cp\u003eIn connective tissue specifically, Chang et al. (Journal of Applied Physiology, 2011) reported increased tendon fibroblast outgrowth, survival and migration in vitro, with associated changes in focal adhesion kinase and paxillin signalling — the machinery governing cell adhesion and directed migration during repair.\u003c\/p\u003e\n\u003cp\u003eThis distinguishes BPC-157 from TB-500, the adjacent recovery-research compound. TB-500 acts intracellularly on the actin cytoskeleton through G-actin sequestration. BPC-157's described actions are predominantly extracellular and vascular. The two are frequently studied together for that reason.\u003c\/p\u003e\n\u003cp\u003eThe entire evidence base is preclinical — rodent and in vitro. Human clinical trial data are limited, and reviews such as Józwiak et al. (Pharmaceuticals, 2025) are explicit about this gap.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eEvidence\u003c\/p\u003e\n\u003ch2\u003eWhat the research shows\u003c\/h2\u003e\n\u003cdiv class=\"pp-cards\"\u003e\n\u003cdiv class=\"pp-card\"\u003e\n\u003cspan class=\"pp-num\"\u003e01\u003c\/span\u003e\u003ch3\u003eImproves blood supply to damaged tissue\u003c\/h3\u003e\n\u003cp\u003eIn animal studies it triggered new blood vessel growth — the main thing that limits tendon and ligament healing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-card\"\u003e\n\u003cspan class=\"pp-num\"\u003e02\u003c\/span\u003e\u003ch3\u003eHelps repair cells migrate\u003c\/h3\u003e\n\u003cp\u003eLaboratory work on tendon cells showed faster growth, better survival and improved movement toward the injury site.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-card\"\u003e\n\u003cspan class=\"pp-num\"\u003e03\u003c\/span\u003e\u003ch3\u003eWidely studied for gut irritation\u003c\/h3\u003e\n\u003cp\u003eA large share of the published work looks at protection of the stomach and intestinal lining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-card\"\u003e\n\u003cspan class=\"pp-num\"\u003e04\u003c\/span\u003e\u003ch3\u003eEvidence is preclinical\u003c\/h3\u003e\n\u003cp\u003eThe research is overwhelmingly animal and in-vitro. Controlled human trial data remain limited.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec pp-alt\" id=\"prep\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eMixing \u0026amp; dosage\u003c\/p\u003e\n\u003ch2\u003eHow to mix and dose it\u003c\/h2\u003e\n\u003cdiv class=\"pp-prose pp-wide\"\u003e\n\u003cp\u003eThese are the mixing and dosage instructions supplied by Purist Peptides and the manufacturer for this product.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA 3ml vial of bacteriostatic water is included free with every peptide vial you order\u003c\/strong\u003e, so you have what you need to mix this on arrival.\u003c\/p\u003e\n\u003cdiv class=\"pp-vbox\"\u003e\n\u003ch3\u003eBPC-157 10mg\u003c\/h3\u003e\n\u003cp class=\"pp-sub\"\u003eStep 1 — mix your vial\u003c\/p\u003e\n\u003col class=\"pp-step\"\u003e\n\u003cli\u003eDraw up 2ml of bacteriostatic water into a syringe\u003c\/li\u003e\n\u003cli\u003eWipe the rubber top of your vial with an alcohol swab and let it dry\u003c\/li\u003e\n\u003cli\u003eInsert the needle then slowly and carefully push the water down the inside wall of the vial — do not inject water straight onto the peptide powder\u003c\/li\u003e\n\u003cli\u003eGently roll the vial between your palms until the powder dissolves completely\u003c\/li\u003e\n\u003cli\u003eDo not shake\u003c\/li\u003e\n\u003cli\u003eAllow to settle in the fridge for 5–10 minutes. The liquid should look clear\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"pp-sub\"\u003eStep 2 — draw \u0026amp; inject your dose\u003c\/p\u003e\n\u003cp\u003eUse a 1ml insulin syringe to draw and inject your dose. A 1ml syringe = 100 units.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWith 2ml of water added, each 0.1ml (10 units) you draw = 500mcg of BPC-157.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"pp-dose\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eStage\u003c\/th\u003e\n\u003cth\u003eDose\u003c\/th\u003e\n\u003cth\u003eOn the syringe\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStarting\u003c\/td\u003e\n\u003ctd\u003e250mcg daily\u003c\/td\u003e\n\u003ctd\u003e5 units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e500mcg daily\u003c\/td\u003e\n\u003ctd\u003e10 units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eVial duration at standard dose: 20 days\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to inject:\u003c\/strong\u003e Once daily. For acute injury, twice daily — morning and evening.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCycle length:\u003c\/strong\u003e 4 to 8 weeks, then reassess.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"pp-sub\"\u003eHow to inject\u003c\/p\u003e\n\u003col class=\"pp-step\"\u003e\n\u003cli\u003eWipe your injection site with an alcohol swab and let it dry\u003c\/li\u003e\n\u003cli\u003ePinch a small fold of skin on your abdomen or inject near the area of concern\u003c\/li\u003e\n\u003cli\u003eInsert the needle at a 45-degree angle into the pinched skin\u003c\/li\u003e\n\u003cli\u003eSlowly push the plunger down until empty\u003c\/li\u003e\n\u003cli\u003ePull the needle out and apply gentle pressure with the swab\u003c\/li\u003e\n\u003cli\u003eDispose of the needle safely in a sharps container — never recap or reuse\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"pp-sub\"\u003eStorage\u003c\/p\u003e\n\u003cp\u003eKeep refrigerated at 2 to 6 degrees Celsius at all times after mixing. Do not freeze. Protect from light and label the vial with the date you reconstituted it. Discard any solution that is hazy, discoloured or contains particles.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor informational purposes only. This is not medical advice. Speak to a qualified healthcare professional before starting any compound.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure class=\"pp-fig\"\u003e\u003cimg class=\"pp-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0984\/2422\/6090\/files\/purist-reconstitution-steps-v2.png?v=1786504935\" alt=\"Four-step peptide reconstitution guide: bring the vial to room temperature, add bacteriostatic water down the vial wall, roll gently without shaking, and store refrigerated at 2 to 6 degrees Celsius without freezing\" width=\"1400\" height=\"900\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/figure\u003e\n\u003cp style=\"margin-top:26px\"\u003e\u003ca class=\"pp-cta\" href=\"#specs\" onclick=\"window.scrollTo({top:0,behavior:'smooth'});return false;\"\u003eReady to order — back to the top\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec pp-alt\" id=\"faq\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eQuestions\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cdiv class=\"pp-faq\"\u003e\n\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eWhat is BPC-157 studied for?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003ePublished preclinical work covers tendon, ligament and muscle injury models, gastrointestinal mucosal integrity, and nitric oxide signalling. Reviews including Józwiak et al. (Pharmaceuticals, 2025) survey this literature. The work is overwhelmingly rodent and in vitro; human clinical evidence is limited.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eHow does BPC-157 differ from TB-500?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eBPC-157's described actions are largely extracellular and vascular, centring on VEGFR2 and nitric oxide signalling. TB-500 acts intracellularly, sequestering G-actin and influencing cytoskeletal remodelling and cell migration. Because the mechanisms are distinct rather than overlapping, the two are commonly examined in parallel.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eDoes BPC-157 bind a specific receptor?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eNo single high-affinity receptor has been identified. The mechanistic literature describes convergence on VEGFR2-associated angiogenic signalling and on modulation of the nitric oxide system, rather than a defined ligand-receptor pair. This remains an open question in the field.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eWhy is it described as \"stable gastric\"?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eThe designation reflects the peptide's reported resistance to hydrolysis in human gastric juice, a property unusual among peptides of this size and the basis of much of the early gastrointestinal research interest.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eHow is purity verified?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eEvery batch is assayed by independent HPLC at Bioindustrial Services in Boksburg. We do not rely on the manufacturer's own certificate alone. The assay report for the batch you receive is available on request, and our full testing protocol is set out at \u003ca href=\"\/pages\/quality-standards\"\u003eQuality Standards\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eHow long does delivery take?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eOrders are dispatched from the Netherlands with tracked courier delivery — 1–3 business days within the Netherlands, 2–5 business days to the rest of the EU. Current dispatch and transit windows are set out at \u003ca href=\"\/pages\/delivery-process\"\u003eDelivery Process\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eCan I return an order?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eUnder the EU Consumer Rights Directive you may withdraw from your order within 14 days of delivery, without giving a reason, provided the vial's seal is intact. Vials that have been unsealed, opened, punctured or reconstituted cannot be returned, as sterility and integrity can no longer be assured (Article 16(e)). If your parcel arrives damaged, contact us within 48 hours with photographs of the packaging and product and we will arrange a replacement. The full terms are set out in our \u003ca href=\"\/pages\/return-refund-policy\"\u003eRefund Policy\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-links\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eExplore\u003c\/p\u003e\n\u003cdiv class=\"pp-chips\"\u003e\n\u003ca class=\"pp-chip pp-chip-lead\" href=\"\/collections\/recovery-repair-peptides\"\u003eAlso in Recovery \u0026amp; Tissue Repair\u003c\/a\u003e\u003ca class=\"pp-chip\" href=\"\/products\/tb-500\"\u003eTB-500\u003c\/a\u003e\u003ca class=\"pp-chip\" href=\"\/products\/bpc-157-tb-500\"\u003eWolverine Stack\u003c\/a\u003e\u003ca class=\"pp-chip\" href=\"\/products\/ghk-cu\"\u003eGHK-Cu\u003c\/a\u003e\u003ca class=\"pp-chip pp-chip-alt\" href=\"\/pages\/recovery-peptide-stack\"\u003eRecovery Peptide Stack\u003c\/a\u003e\u003ca class=\"pp-chip pp-chip-alt\" href=\"\/pages\/performance-recovery-peptide-stack\"\u003ePerformance Recovery Peptide Stack\u003c\/a\u003e\u003ca class=\"pp-chip pp-chip-alt\" href=\"\/pages\/peptide-stacks\"\u003eSkin Recovery Peptide Stack\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is BPC-157 studied for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Published preclinical work covers tendon, ligament and muscle injury models, gastrointestinal mucosal integrity, and vascular and nitric oxide signalling. Reviews including Jozwiak et al. (Pharmaceuticals, 2025) survey this literature. The work is overwhelmingly rodent and in vitro; human clinical evidence is limited.\"}},{\"@type\":\"Question\",\"name\":\"How does BPC-157 differ from TB-500?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"BPC-157's described actions are largely extracellular and vascular, centring on VEGFR2 and nitric oxide signalling. TB-500 acts intracellularly, sequestering G-actin and influencing cytoskeletal remodelling and cell migration. Because the mechanisms are distinct rather than overlapping, the two are commonly examined in parallel.\"}},{\"@type\":\"Question\",\"name\":\"Does BPC-157 bind a specific receptor?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No single high-affinity receptor has been identified. The mechanistic literature describes convergence on VEGFR2-associated angiogenic signalling and on modulation of the nitric oxide system, rather than a defined ligand-receptor pair. This remains an open question in the field.\"}},{\"@type\":\"Question\",\"name\":\"Why is it described as a stable gastric pentadecapeptide?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The designation reflects the peptide's reported resistance to hydrolysis in human gastric juice, a property unusual among peptides of this size and the basis of much of the early gastrointestinal research interest.\"}},{\"@type\":\"Question\",\"name\":\"How is purity verified?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Every batch is assayed by independent HPLC at Bioindustrial Services in Boksburg. We do not rely on the manufacturer's own certificate alone. The assay report for the batch you receive is available on request, and our full testing protocol is set out at \/pages\/quality-standards.\"}},{\"@type\":\"Question\",\"name\":\"How long does delivery take?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Orders are dispatched from the Netherlands with tracked courier delivery — 1–3 business days within the Netherlands, 2–5 business days to the rest of the EU. Current dispatch and transit windows are set out at \/pages\/delivery-process.\"}},{\"@type\":\"Question\",\"name\":\"Can I return an order?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Under the EU Consumer Rights Directive you may withdraw from your order within 14 days of delivery, without giving a reason, provided the vial's seal is intact. Vials that have been unsealed, opened, punctured or reconstituted cannot be returned, as sterility and integrity can no longer be assured (Article 16(e)). If your parcel arrives damaged, contact us within 48 hours with photographs of the packaging and product and we will arrange a replacement. The full terms are set out at \/pages\/return-refund-policy.\"}}]}\u003c\/script\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":49172129054943,"sku":null,"price":39.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/8787\/3759\/files\/1000744347_6737fde0-0f8e-48a2-874a-ea19f9f6fba5.png?v=1778674589"},{"product_id":"bpc-157-tb-500","title":"BPC-157 + TB-500 - Wolverine Stack","description":"\u003cstyle\u003e.pp-pdp{--nv:#0d2233;--tl:#3a9ab5;--ink:#1f2937;--mut:#5b6b7a;--ln:#e3e8ee;--sf:#f5f8fa;--gr:#1E9E5A;font-family:Montserrat,-apple-system,sans-serif;color:var(--ink);line-height:1.6;margin:34px 0 0;width:100%;max-width:100%;overflow-x:hidden;background:#fff;text-align:left}.pp-pdp *{box-sizing:border-box}.pp-pdp h2,.pp-pdp h3{color:var(--nv);font-weight:800;line-height:1.15;margin:0 0 14px}.pp-pdp p{color:var(--ink);margin:0 0 14px}.pp-pdp p:last-child{margin-bottom:0}.pp-pdp a{color:#0d6c8a}.pp-pdp 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34px;font-size:15px;color:var(--mut)}.pp-pdp .pp-step li:before{counter-increment:s;content:counter(s);position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:50%;background:var(--tl);color:#fff;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center}.pp-pdp .pp-warn{background:#fff6e5;border-left:4px solid #e0a33a;padding:13px 18px;border-radius:0 8px 8px 0;font-size:14.5px;color:var(--ink);margin:0 0 16px}.pp-pdp .pp-warn p{margin:0 0 6px;font-size:14.5px}.pp-pdp .pp-warn p:last-child{margin:0}.pp-pdp .pp-vbox{border:1px solid var(--ln);border-radius:12px;padding:26px;margin:0 0 22px;background:#fff;box-shadow:0 2px 10px rgba(13,34,51,.05)}.pp-pdp .pp-vbox h3{font-size:18px;margin:0 0 18px;padding-bottom:12px;border-bottom:2px solid var(--tl)}.pp-pdp .pp-vbox p{font-size:15px}.pp-pdp .pp-sub{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;font-weight:800;color:var(--tl);margin:0 0 10px}.pp-pdp .pp-cta{display:inline-block;background:var(--gr);color:#fff!important;font-weight:800;font-size:15px;padding:15px 32px;border-radius:6px;text-decoration:none;margin-top:8px}.pp-pdp .pp-cta:hover{filter:brightness(1.08)}@media(max-width:900px){.pp-pdp .pp-tldr li{display:block}.pp-pdp .pp-tldr b{display:block;margin-bottom:2px}.pp-pdp .pp-vbox{padding:20px}.pp-pdp .pp-ov{padding:22px}}\u003c\/style\u003e\n\u003cdiv class=\"pp-pdp\"\u003e\n\u003csection class=\"pp-facts\" id=\"specs\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cdiv class=\"pp-fi\"\u003e\n\u003cb class=\"pp-v3\"\u003eInjury recovery — two compounds, one vial\u003c\/b\u003e\u003cspan\u003eWhat it is used for\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-fi\"\u003e\n\u003cb class=\"pp-v2\"\u003e500mcg of each, daily\u003c\/b\u003e\u003cspan\u003eTypical dose\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-fi\"\u003e\n\u003cb class=\"pp-v2\"\u003e20 days per vial\u003c\/b\u003e\u003cspan\u003eOne vial lasts\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-fi\"\u003e\n\u003cb class=\"pp-v2\"\u003eIndependently HPLC tested\u003c\/b\u003e\u003cspan\u003eEvery batch\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec\" id=\"overview\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eOverview\u003c\/p\u003e\n\u003ch2\u003eIn plain English\u003c\/h2\u003e\n\u003cdiv class=\"pp-ov pp-prose\"\u003e\n\u003cp\u003eThe Wolverine Stack is BPC-157 and TB-500 supplied together — 10mg of each in a single vial.\u003c\/p\u003e\n\u003cp\u003eIt is the most common pairing in the recovery category. People use it after a specific injury, or through a heavy training block, because the two compounds cover different parts of the repair process rather than doubling up on the same one.\u003c\/p\u003e\n\u003cul class=\"pp-tldr\"\u003e\n\u003cli\u003e\n\u003cb\u003eWhat it is\u003c\/b\u003e\u003cspan\u003eBPC-157 10mg + TB-500 10mg in one vial\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMainly used for\u003c\/b\u003e\u003cspan\u003eTendon, ligament and muscle injury recovery\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTypical protocol\u003c\/b\u003e\u003cspan\u003e500mcg of each, once daily, for 4–8 weeks\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec pp-alt\" id=\"how\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cdiv class=\"pp-g2\"\u003e\n\u003cdiv class=\"pp-prose\"\u003e\n\u003cp class=\"pp-kick\"\u003eHow it works\u003c\/p\u003e\n\u003ch2\u003eWhat it actually does\u003c\/h2\u003e\n\u003cp\u003eRepair needs two things: blood getting to the damaged area, and repair cells physically moving into it.\u003c\/p\u003e\n\u003cp\u003eBPC-157 is associated with the first — new blood vessel growth into tissue that normally has a poor supply. TB-500 is associated with the second — the internal machinery cells use to migrate.\u003c\/p\u003e\n\u003cp\u003eThe two do not share a pathway, which is the entire logic of the pairing. No controlled study of the combination itself has been published; the evidence sits with each compound separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-media\"\u003e\u003cimg class=\"pp-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0984\/2422\/6090\/files\/purist-bpc-157.png?v=1785967535\" alt=\"BPC-157 molecular structure diagram — a constituent of the BPC-157 + TB-500 stack\" width=\"1200\" height=\"1200\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdetails class=\"pp-ac pp-more\"\u003e\u003csummary\u003eThe science in detail\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\n\u003cp\u003eThe rationale for pairing these two compounds is mechanistic separation, not additive potency. They intervene at different points in the tissue repair sequence and, on current evidence, share no common pathway.\u003c\/p\u003e\n\u003cp\u003eBPC-157 is a 15-residue fragment of a protein isolated from human gastric juice. No single high-affinity receptor has been identified for it. Its described actions are extracellular and vascular: Hsieh et al. (Journal of Molecular Medicine, 2017) associated its pro-angiogenic activity with activation and upregulation of VEGFR2 and downstream Akt–eNOS signalling, with the effect attenuated by VEGFR2 blockade. A second body of work describes bidirectional modulation of the nitric oxide system, with Hsieh et al. (Scientific Reports, 2020) reporting effects on vasomotor tone through a Src–caveolin-1–eNOS pathway. In connective tissue, Chang et al. (Journal of Applied Physiology, 2011) reported increased tendon fibroblast outgrowth, survival and migration in vitro. The functional theme is vascular supply and the extracellular signalling environment.\u003c\/p\u003e\n\u003cp\u003eTB-500 is based on thymosin beta-4, the principal G-actin sequestering peptide in mammalian cells. It binds actin monomer in a 1:1 complex and holds it unpolymerised, creating a reservoir that permits rapid, localised F-actin polymerisation at the migrating cell's leading edge. The actin-binding activity localises to the LKKTETQ motif. Malinda et al. (Journal of Investigative Dermatology, 1999) reported accelerated dermal repair in rodent models; Bock-Marquette et al. (Nature, 2004) described a separate pathway through integrin-linked kinase activation in cardiac tissue. A further mechanism operates through liberation of the N-terminal tetrapeptide Ac-SDKP by prolyl oligopeptidase and meprin-α, which carries independent anti-fibrotic activity. The functional theme here is intracellular: cytoskeletal remodelling and cell motility.\u003c\/p\u003e\n\u003cp\u003eOne compound addresses whether cells can reach the site and whether it is perfused; the other addresses the machinery cells use to move. That non-overlap is the entire basis of the pairing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eEvidence\u003c\/p\u003e\n\u003ch2\u003eWhat the research shows\u003c\/h2\u003e\n\u003cdiv class=\"pp-cards\"\u003e\n\u003cdiv class=\"pp-card\"\u003e\n\u003cspan class=\"pp-num\"\u003e01\u003c\/span\u003e\u003ch3\u003eTwo mechanisms, no overlap\u003c\/h3\u003e\n\u003cp\u003eOne targets blood supply to the injury, the other targets how repair cells move into it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-card\"\u003e\n\u003cspan class=\"pp-num\"\u003e02\u003c\/span\u003e\u003ch3\u003eBoth evidence bases are animal-stage\u003c\/h3\u003e\n\u003cp\u003eEach compound has substantial preclinical work behind it and limited human trial data.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-card\"\u003e\n\u003cspan class=\"pp-num\"\u003e03\u003c\/span\u003e\u003ch3\u003eNo study of the combination\u003c\/h3\u003e\n\u003cp\u003eThe pairing is reasoned from the separate mechanisms, not from a trial of the two together.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-card\"\u003e\n\u003cspan class=\"pp-num\"\u003e04\u003c\/span\u003e\u003ch3\u003eConvenient single vial\u003c\/h3\u003e\n\u003cp\u003eOne reconstitution, one injection, both compounds at the standard dose.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec pp-alt\" id=\"prep\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eMixing \u0026amp; dosage\u003c\/p\u003e\n\u003ch2\u003eHow to mix and dose it\u003c\/h2\u003e\n\u003cdiv class=\"pp-prose pp-wide\"\u003e\n\u003cp\u003eThese are the mixing and dosage instructions supplied by Purist Peptides and the manufacturer for this product.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA 3ml vial of bacteriostatic water is included free with every peptide vial you order\u003c\/strong\u003e, so you have what you need to mix this on arrival.\u003c\/p\u003e\n\u003cdiv class=\"pp-vbox\"\u003e\n\u003ch3\u003eWolverine Stack — BPC-157 10mg + TB-500 10mg\u003c\/h3\u003e\n\u003cp class=\"pp-sub\"\u003eStep 1 — mix your vial\u003c\/p\u003e\n\u003col class=\"pp-step\"\u003e\n\u003cli\u003eDraw up 2ml of bacteriostatic water into a syringe\u003c\/li\u003e\n\u003cli\u003eWipe the rubber top of your vial with an alcohol swab and let it dry\u003c\/li\u003e\n\u003cli\u003eInsert the needle then slowly and carefully push the water down the inside wall of the vial — do not inject water straight onto the peptide powder\u003c\/li\u003e\n\u003cli\u003eGently roll the vial between your palms until the powder dissolves completely\u003c\/li\u003e\n\u003cli\u003eDo not shake\u003c\/li\u003e\n\u003cli\u003eAllow to settle in the fridge for 5–10 minutes. The liquid should look clear\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"pp-sub\"\u003eStep 2 — draw \u0026amp; inject your dose\u003c\/p\u003e\n\u003cp\u003eUse a 1ml insulin syringe to draw and inject your dose. A 1ml syringe = 100 units.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWith 2ml of water added, each 0.1ml (10 units) you draw = 500mcg BPC-157 + 500mcg TB-500.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"pp-dose\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eStage\u003c\/th\u003e\n\u003cth\u003eDose\u003c\/th\u003e\n\u003cth\u003eOn the syringe\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStarting\u003c\/td\u003e\n\u003ctd\u003e250mcg each daily\u003c\/td\u003e\n\u003ctd\u003e5 units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e500mcg each daily\u003c\/td\u003e\n\u003ctd\u003e10 units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eVial duration at standard dose: 20 days\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to inject:\u003c\/strong\u003e Once daily. For acute injury, twice daily — morning and evening.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCycle length:\u003c\/strong\u003e 4 to 8 weeks, then reassess.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"pp-sub\"\u003eHow to inject\u003c\/p\u003e\n\u003col class=\"pp-step\"\u003e\n\u003cli\u003eWipe your injection site with an alcohol swab and let it dry\u003c\/li\u003e\n\u003cli\u003ePinch a small fold of skin on your abdomen or inject near the area of concern\u003c\/li\u003e\n\u003cli\u003eInsert the needle at a 45-degree angle into the pinched skin\u003c\/li\u003e\n\u003cli\u003eSlowly push the plunger down until empty\u003c\/li\u003e\n\u003cli\u003ePull the needle out and apply gentle pressure with the swab\u003c\/li\u003e\n\u003cli\u003eDispose of the needle safely in a sharps container — never recap or reuse\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"pp-sub\"\u003eStorage\u003c\/p\u003e\n\u003cp\u003eKeep refrigerated at 2 to 6 degrees Celsius at all times after mixing. Do not freeze. Protect from light and label the vial with the date you reconstituted it. Discard any solution that is hazy, discoloured or contains particles.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor informational purposes only. This is not medical advice. Speak to a qualified healthcare professional before starting any compound.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure class=\"pp-fig\"\u003e\u003cimg class=\"pp-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0984\/2422\/6090\/files\/purist-reconstitution-steps-v2.png?v=1786504935\" alt=\"Four-step peptide reconstitution guide: bring the vial to room temperature, add bacteriostatic water down the vial wall, roll gently without shaking, and store refrigerated at 2 to 6 degrees Celsius without freezing\" width=\"1400\" height=\"900\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/figure\u003e\n\u003cp style=\"margin-top:26px\"\u003e\u003ca class=\"pp-cta\" href=\"#specs\" onclick=\"window.scrollTo({top:0,behavior:'smooth'});return false;\"\u003eReady to order — back to the top\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec pp-alt\" id=\"faq\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eQuestions\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cdiv class=\"pp-faq\"\u003e\n\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eIs there research on the combination itself?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eNo controlled study of BPC-157 and TB-500 administered together has been published. The evidence base consists of separate preclinical work on each compound. The pairing is a research convention grounded in mechanistic non-overlap, not a validated protocol, and should be described as such.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eWhy are these two compounds paired?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eTheir mechanisms do not intersect. BPC-157's described actions are extracellular and vascular — VEGFR2-associated angiogenic signalling and modulation of nitric oxide. TB-500 acts intracellularly on the actin cytoskeleton, controlling the machinery of cell migration. Pairing them addresses two different constraints on tissue repair.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eDo I need to mix the two compounds separately?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eNo. The Wolverine Stack is supplied as a single pre-mixed vial containing 10mg of each compound, so one reconstitution covers both. Add the bacteriostatic water to the vial as supplied and follow the mixing steps above.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eWhy is it called the Wolverine Stack?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eIt is a colloquial name that circulated in research and forum communities, referring to the fictional character's rapid tissue repair. It carries no scientific meaning and implies nothing about the strength of the underlying evidence, which is preclinical.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eHow is purity verified?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eEvery batch is assayed by independent HPLC at Bioindustrial Services in Boksburg, and the assay covers both compounds in the vial. We do not rely on the manufacturer's own certificate alone. The assay reports for the batches you receive are available on request, and our full testing protocol is set out at \u003ca href=\"\/pages\/quality-standards\"\u003eQuality Standards\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eHow long does delivery take?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eOrders are dispatched from the Netherlands with tracked courier delivery — 1–3 business days within the Netherlands, 2–5 business days to the rest of the EU. Current dispatch and transit windows are set out at \u003ca href=\"\/pages\/delivery-process\"\u003eDelivery Process\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eCan I return an order?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eUnder the EU Consumer Rights Directive you may withdraw from your order within 14 days of delivery, without giving a reason, provided the vial's seal is intact. Vials that have been unsealed, opened, punctured or reconstituted cannot be returned, as sterility and integrity can no longer be assured (Article 16(e)). If your parcel arrives damaged, contact us within 48 hours with photographs of the packaging and product and we will arrange a replacement. The full terms are set out in our \u003ca href=\"\/pages\/return-refund-policy\"\u003eRefund Policy\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-links\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eExplore\u003c\/p\u003e\n\u003cdiv class=\"pp-chips\"\u003e\n\u003ca class=\"pp-chip pp-chip-lead\" href=\"\/collections\/recovery-repair-peptides\"\u003eAlso in Recovery \u0026amp; Tissue Repair\u003c\/a\u003e\u003ca class=\"pp-chip\" href=\"\/products\/bpc-157\"\u003eBPC-157\u003c\/a\u003e\u003ca class=\"pp-chip\" href=\"\/products\/tb-500\"\u003eTB-500\u003c\/a\u003e\u003ca class=\"pp-chip\" href=\"\/products\/ghk-cu\"\u003eGHK-Cu\u003c\/a\u003e\u003ca class=\"pp-chip pp-chip-alt\" href=\"\/pages\/recovery-peptide-stack\"\u003eRecovery Peptide Stack\u003c\/a\u003e\u003ca class=\"pp-chip pp-chip-alt\" href=\"\/pages\/performance-recovery-peptide-stack\"\u003ePerformance Recovery Peptide Stack\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is there research on the combination itself?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No controlled study of BPC-157 and TB-500 administered together has been published. The evidence base consists of separate preclinical work on each compound. The pairing is a research convention grounded in mechanistic non-overlap, not a validated protocol, and should be described as such.\"}},{\"@type\":\"Question\",\"name\":\"Why are these two compounds paired?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Their mechanisms do not intersect. BPC-157's described actions are extracellular and vascular, involving VEGFR2-associated angiogenic signalling and modulation of nitric oxide. TB-500 acts intracellularly on the actin cytoskeleton, controlling the machinery of cell migration. Pairing them addresses two different constraints on tissue repair.\"}},{\"@type\":\"Question\",\"name\":\"Do I need to mix the two compounds separately?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The Wolverine Stack is supplied as a single pre-mixed vial containing 10mg of each compound, so one reconstitution covers both. Add the bacteriostatic water to the vial as supplied and follow the mixing steps above.\"}},{\"@type\":\"Question\",\"name\":\"Why is it called the Wolverine Stack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is a colloquial name that circulated in research and forum communities, referring to the fictional character's rapid tissue repair. It carries no scientific meaning and implies nothing about the strength of the underlying evidence, which is preclinical.\"}},{\"@type\":\"Question\",\"name\":\"How is purity verified?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Every batch is assayed by independent HPLC at Bioindustrial Services in Boksburg, and the assay covers both compounds in the vial. We do not rely on the manufacturer's own certificate alone. The assay reports for the batches you receive are available on request, and our full testing protocol is set out at \/pages\/quality-standards.\"}},{\"@type\":\"Question\",\"name\":\"How long does delivery take?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Orders are dispatched from the Netherlands with tracked courier delivery — 1–3 business days within the Netherlands, 2–5 business days to the rest of the EU. Current dispatch and transit windows are set out at \/pages\/delivery-process.\"}},{\"@type\":\"Question\",\"name\":\"Can I return an order?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Under the EU Consumer Rights Directive you may withdraw from your order within 14 days of delivery, without giving a reason, provided the vial's seal is intact. Vials that have been unsealed, opened, punctured or reconstituted cannot be returned, as sterility and integrity can no longer be assured (Article 16(e)). If your parcel arrives damaged, contact us within 48 hours with photographs of the packaging and product and we will arrange a replacement. The full terms are set out at \/pages\/return-refund-policy.\"}}]}\u003c\/script\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":49172130005215,"sku":null,"price":79.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/8787\/3759\/files\/BPC-157___TB-500_1.png?v=1778674591"},{"product_id":"ghk-cu","title":"GHK-CU","description":"\u003cstyle\u003e.pp-pdp{--nv:#0d2233;--tl:#3a9ab5;--ink:#1f2937;--mut:#5b6b7a;--ln:#e3e8ee;--sf:#f5f8fa;--gr:#1E9E5A;font-family:Montserrat,-apple-system,sans-serif;color:var(--ink);line-height:1.6;margin:34px 0 0;width:100%;max-width:100%;overflow-x:hidden;background:#fff;text-align:left}.pp-pdp *{box-sizing:border-box}.pp-pdp h2,.pp-pdp h3{color:var(--nv);font-weight:800;line-height:1.15;margin:0 0 14px}.pp-pdp p{color:var(--ink);margin:0 0 14px}.pp-pdp p:last-child{margin-bottom:0}.pp-pdp a{color:#0d6c8a}.pp-pdp .pp-in{max-width:1180px;margin:0 auto;padding:0 24px}.pp-pdp 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li:before{counter-increment:s;content:counter(s);position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:50%;background:var(--tl);color:#fff;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center}.pp-pdp .pp-warn{background:#fff6e5;border-left:4px solid #e0a33a;padding:13px 18px;border-radius:0 8px 8px 0;font-size:14.5px;color:var(--ink);margin:0 0 16px}.pp-pdp .pp-warn p{margin:0 0 6px;font-size:14.5px}.pp-pdp .pp-warn p:last-child{margin:0}.pp-pdp .pp-vbox{border:1px solid var(--ln);border-radius:12px;padding:26px;margin:0 0 22px;background:#fff;box-shadow:0 2px 10px rgba(13,34,51,.05)}.pp-pdp .pp-vbox h3{font-size:18px;margin:0 0 18px;padding-bottom:12px;border-bottom:2px solid var(--tl)}.pp-pdp .pp-vbox p{font-size:15px}.pp-pdp .pp-sub{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;font-weight:800;color:var(--tl);margin:0 0 10px}.pp-pdp .pp-cta{display:inline-block;background:var(--gr);color:#fff!important;font-weight:800;font-size:15px;padding:15px 32px;border-radius:6px;text-decoration:none;margin-top:8px}.pp-pdp .pp-cta:hover{filter:brightness(1.08)}@media(max-width:900px){.pp-pdp .pp-tldr li{display:block}.pp-pdp .pp-tldr b{display:block;margin-bottom:2px}.pp-pdp .pp-vbox{padding:20px}.pp-pdp .pp-ov{padding:22px}}\u003c\/style\u003e\n\u003cdiv class=\"pp-pdp\"\u003e\n\u003csection class=\"pp-facts\" id=\"specs\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cdiv class=\"pp-fi\"\u003e\n\u003cb class=\"pp-v3\"\u003eSkin firmness, tone and repair\u003c\/b\u003e\u003cspan\u003eWhat it is used for\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-fi\"\u003e\n\u003cb class=\"pp-v2\"\u003e2mg daily\u003c\/b\u003e\u003cspan\u003eTypical dose\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-fi\"\u003e\n\u003cb class=\"pp-v2\"\u003e50 days per vial\u003c\/b\u003e\u003cspan\u003eOne vial lasts\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-fi\"\u003e\n\u003cb class=\"pp-v2\"\u003eIndependently HPLC tested\u003c\/b\u003e\u003cspan\u003eEvery batch\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec\" id=\"overview\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eOverview\u003c\/p\u003e\n\u003ch2\u003eIn plain English\u003c\/h2\u003e\n\u003cdiv class=\"pp-ov pp-prose\"\u003e\n\u003cp\u003eGHK-Cu is a very short peptide — three amino acids — bound to copper. Your body makes it naturally, and levels drop substantially with age. That decline is what first made it interesting.\u003c\/p\u003e\n\u003cp\u003eIt is the best-known peptide for skin: firmness, tone, texture and scarring. It is also used for hair and general tissue repair.\u003c\/p\u003e\n\u003cul class=\"pp-tldr\"\u003e\n\u003cli\u003e\n\u003cb\u003eWhat it is\u003c\/b\u003e\u003cspan\u003eA copper-bound tripeptide (Gly-His-Lys) the body produces naturally\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMainly used for\u003c\/b\u003e\u003cspan\u003eSkin firmness and tone, scarring, hair, tissue repair\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTypical protocol\u003c\/b\u003e\u003cspan\u003e2mg once daily, morning, for 8–12 weeks\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec pp-alt\" id=\"how\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cdiv class=\"pp-g2\"\u003e\n\u003cdiv class=\"pp-prose\"\u003e\n\u003cp class=\"pp-kick\"\u003eHow it works\u003c\/p\u003e\n\u003ch2\u003eWhat it actually does\u003c\/h2\u003e\n\u003cp\u003eCopper is not optional for skin structure. The enzyme that cross-links collagen and elastin into mature, springy fibres cannot work without it.\u003c\/p\u003e\n\u003cp\u003eGHK-Cu's job is delivery. It picks copper up from blood proteins and hands it over to the cells and enzymes that need it — it does not lock it away.\u003c\/p\u003e\n\u003cp\u003eThat is the difference between GHK-Cu and either a copper supplement or a copper-free peptide. It also influences a wide set of genes involved in matrix turnover and antioxidant defence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-media\"\u003e\u003cimg class=\"pp-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0984\/2422\/6090\/files\/purist-ghk-cu.png?v=1785967535\" alt=\"GHK-Cu molecular structure and mechanism of action diagram\" width=\"1200\" height=\"1200\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdetails class=\"pp-ac pp-more\"\u003e\u003csummary\u003eThe science in detail\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\n\u003cp\u003eGHK is a tripeptide — glycine, histidine, lysine — isolated from human plasma by Pickart and colleagues in the early 1970s and later identified as a fragment released during proteolysis of collagen and other matrix proteins. Its plasma concentration falls substantially with age, the observation that first prompted interest in it as an endogenous repair signal.\u003c\/p\u003e\n\u003cp\u003eThe chemistry that defines it is copper coordination. The N-terminal amine, the deprotonated amide nitrogen of the first peptide bond and the imidazole nitrogen of histidine form a square-planar chelation site for Cu2+ with very high affinity — comparable to the copper-binding site of serum albumin. GHK therefore does not sequester copper inertly; it exchanges it, accepting Cu2+ from albumin and delivering it to cellular transporters and cuproenzymes. That is why the complex behaves differently from either free copper salts or a copper-free peptide.\u003c\/p\u003e\n\u003cp\u003eThe delivery role connects directly to matrix biology. Lysyl oxidase, the enzyme that cross-links collagen and elastin fibrils into mature load-bearing structures, is copper-dependent; so are superoxide dismutase 1 and cytochrome c oxidase. Copper availability is therefore rate-limiting for matrix maturation rather than merely for matrix synthesis — the distinction between GHK-Cu and peptides that stimulate collagen transcription alone.\u003c\/p\u003e\n\u003cp\u003eBeyond copper transport, GHK-Cu shows broad transcriptional activity. Pickart and Margolina (Int J Mol Sci, 2018), drawing on Broad Institute Connectivity Map data, reported modulation of expression across a large fraction of human genes, with the pattern favouring tissue remodelling: increased collagen I, decorin and other small proteoglycans, alongside coordinated changes in matrix metalloproteinases and their TIMP inhibitors. That combination is characteristic of controlled turnover rather than simple accumulation. Pickart, Vasquez-Soltero and Margolina (BioMed Research International, 2015) reviewed the same pathways in skin regeneration, including antioxidant and anti-inflammatory gene modulation.\u003c\/p\u003e\n\u003cp\u003eAmong the skin-directed compounds on this site, GHK-Cu occupies the copper and matrix-maturation position. BPC-157 and TB-500, its partners in the GLOW and KLOW blends, act on angiogenesis and actin dynamics — adjacent but mechanistically separate.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eEvidence\u003c\/p\u003e\n\u003ch2\u003eWhat the research shows\u003c\/h2\u003e\n\u003cdiv class=\"pp-cards\"\u003e\n\u003cdiv class=\"pp-card\"\u003e\n\u003cspan class=\"pp-num\"\u003e01\u003c\/span\u003e\u003ch3\u003eYour natural level falls with age\u003c\/h3\u003e\n\u003cp\u003eGHK is present in human plasma and declines substantially over the decades — the original reason for research interest.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-card\"\u003e\n\u003cspan class=\"pp-num\"\u003e02\u003c\/span\u003e\u003ch3\u003eDelivers copper rather than storing it\u003c\/h3\u003e\n\u003cp\u003eIt binds copper about as tightly as your blood's main carrier protein, then releases it to cells.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-card\"\u003e\n\u003cspan class=\"pp-num\"\u003e03\u003c\/span\u003e\u003ch3\u003eSupports collagen cross-linking\u003c\/h3\u003e\n\u003cp\u003eThe enzyme that turns new collagen and elastin into mature fibre is copper-dependent.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-card\"\u003e\n\u003cspan class=\"pp-num\"\u003e04\u003c\/span\u003e\u003ch3\u003eBroad effect on repair genes\u003c\/h3\u003e\n\u003cp\u003ePublished gene-expression work reports it shifts a wide set of matrix and antioxidant genes toward controlled repair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec pp-alt\" id=\"prep\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eMixing \u0026amp; dosage\u003c\/p\u003e\n\u003ch2\u003eHow to mix and dose it\u003c\/h2\u003e\n\u003cdiv class=\"pp-prose pp-wide\"\u003e\n\u003cp\u003eThese are the mixing and dosage instructions supplied by Purist Peptides and the manufacturer for this product.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA 3ml vial of bacteriostatic water is included free with every peptide vial you order\u003c\/strong\u003e, so you have what you need to mix this on arrival.\u003c\/p\u003e\n\u003cdiv class=\"pp-vbox\"\u003e\n\u003ch3\u003eGHK-Cu 100mg\u003c\/h3\u003e\n\u003cp class=\"pp-sub\"\u003eStep 1 — mix your vial\u003c\/p\u003e\n\u003col class=\"pp-step\"\u003e\n\u003cli\u003eDraw up 2ml of bacteriostatic water into a syringe\u003c\/li\u003e\n\u003cli\u003eWipe the rubber top of your vial with an alcohol swab and let it dry\u003c\/li\u003e\n\u003cli\u003eInsert the needle then slowly and carefully push the water down the inside wall of the vial — do not inject water straight onto the peptide powder\u003c\/li\u003e\n\u003cli\u003eGently roll the vial between your palms until the powder dissolves completely\u003c\/li\u003e\n\u003cli\u003eDo not shake\u003c\/li\u003e\n\u003cli\u003eAllow to settle in the fridge for 5–10 minutes. The liquid should look clear\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"pp-sub\"\u003eStep 2 — draw \u0026amp; inject your dose\u003c\/p\u003e\n\u003cp\u003eUse a 1ml insulin syringe to draw and inject your dose. A 1ml syringe = 100 units.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWith 2ml of water added, each 0.1ml (10 units) you draw = 5mg of GHK-Cu.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"pp-dose\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eStage\u003c\/th\u003e\n\u003cth\u003eDose\u003c\/th\u003e\n\u003cth\u003eOn the syringe\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStarting\u003c\/td\u003e\n\u003ctd\u003e1mg daily\u003c\/td\u003e\n\u003ctd\u003e2 units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e2mg daily\u003c\/td\u003e\n\u003ctd\u003e4 units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eVial duration at standard dose: 50 days\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to inject:\u003c\/strong\u003e Once daily, morning preferred.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCycle length:\u003c\/strong\u003e 8 to 12 weeks, then reassess.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"pp-sub\"\u003eHow to inject\u003c\/p\u003e\n\u003col class=\"pp-step\"\u003e\n\u003cli\u003eWipe your injection site with an alcohol swab and let it dry\u003c\/li\u003e\n\u003cli\u003ePinch a small fold of skin on your abdomen\u003c\/li\u003e\n\u003cli\u003eInsert the needle at a 45-degree angle into the pinched skin\u003c\/li\u003e\n\u003cli\u003eSlowly push the plunger down until empty\u003c\/li\u003e\n\u003cli\u003ePull the needle out and apply gentle pressure with the swab\u003c\/li\u003e\n\u003cli\u003eDispose of the needle safely in a sharps container — never recap or reuse\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"pp-sub\"\u003eStorage\u003c\/p\u003e\n\u003cp\u003eKeep refrigerated at 2 to 6 degrees Celsius at all times after mixing. Do not freeze. Protect from light and label the vial with the date you reconstituted it. Discard any solution that is hazy, discoloured or contains particles.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor informational purposes only. This is not medical advice. Speak to a qualified healthcare professional before starting any compound.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure class=\"pp-fig\"\u003e\u003cimg class=\"pp-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0984\/2422\/6090\/files\/purist-reconstitution-steps-v2.png?v=1786504935\" alt=\"Four-step peptide reconstitution guide: bring the vial to room temperature, add bacteriostatic water down the vial wall, roll gently without shaking, and store refrigerated at 2 to 6 degrees Celsius without freezing\" width=\"1400\" height=\"900\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/figure\u003e\n\u003cp style=\"margin-top:26px\"\u003e\u003ca class=\"pp-cta\" href=\"#specs\" onclick=\"window.scrollTo({top:0,behavior:'smooth'});return false;\"\u003eReady to order — back to the top\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec pp-alt\" id=\"faq\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eQuestions\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cdiv class=\"pp-faq\"\u003e\n\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eWhy is the copper part significant?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eBecause the peptide's principal characterised function is copper transport. GHK binds Cu2+ tightly enough to accept it from albumin but reversibly enough to pass it on to cellular transporters and copper-dependent enzymes. A copper-free GHK preparation is a different research material with a different activity profile.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eWhy is the reconstituted solution blue?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eThe colour comes from d-d electronic transitions of the coordinated copper(II) ion. It is expected, and its presence is a rough indication that the complex remains intact. Loss of colour or a marked colour shift suggests dissociation or degradation.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eHow does GHK-Cu differ from BPC-157 and TB-500?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eDifferent mechanisms entirely. GHK-Cu delivers copper to matrix enzymes and modulates matrix gene expression. BPC-157 is studied chiefly for angiogenic and growth factor signalling; TB-500 for actin sequestration and cell migration. They appear together in the GLOW and KLOW blends because the pathways are complementary rather than overlapping.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eWhat is it studied for?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003ePublished research centres on extracellular matrix remodelling, wound and tissue repair models, antioxidant and anti-inflammatory gene expression, and dermatological applications. Pickart's laboratory produced the majority of the foundational literature.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eHow is purity verified?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eEvery batch is assayed by Bioindustrial Services in Boksburg, an independent biotechnology laboratory, using HPLC. We do not self-certify. The signed certificate of analysis for each batch — lab number, method and assayed result — is published on our \u003ca href=\"\/pages\/quality-standards\"\u003equality standards page\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eHow long does delivery take?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eOrders are dispatched from the Netherlands with tracked courier delivery — 1–3 business days within the Netherlands, 2–5 business days to the rest of the EU. Full timelines are set out on our \u003ca href=\"\/pages\/delivery-process\"\u003edelivery process page\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eCan I return an order?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eUnder the EU Consumer Rights Directive you may withdraw from your order within 14 days of delivery, without giving a reason, provided the vial's seal is intact. Vials that have been unsealed, opened, punctured or reconstituted cannot be returned, as sterility and integrity can no longer be assured (Article 16(e)). If your parcel arrives damaged, contact us within 48 hours with photographs of the packaging and product and we will arrange a replacement. The full terms are set out in our \u003ca href=\"\/pages\/return-refund-policy\"\u003erefund policy\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-links\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eExplore\u003c\/p\u003e\n\u003cdiv class=\"pp-chips\"\u003e\n\u003ca class=\"pp-chip pp-chip-lead\" href=\"\/collections\/skin-peptides\"\u003eAlso in Skin, Collagen \u0026amp; Cellular Renewal\u003c\/a\u003e\u003ca class=\"pp-chip\" href=\"\/products\/glow\"\u003eGLOW\u003c\/a\u003e\u003ca class=\"pp-chip\" href=\"\/products\/klow\"\u003eKLOW\u003c\/a\u003e\u003ca class=\"pp-chip\" href=\"\/products\/glutathione\"\u003eGlutathione\u003c\/a\u003e\u003ca class=\"pp-chip pp-chip-alt\" href=\"\/pages\/peptide-stacks\"\u003eSkin Recovery Stack\u003c\/a\u003e\u003ca class=\"pp-chip pp-chip-alt\" href=\"\/pages\/peptide-stacks\"\u003eSkin \u0026amp; Anti-Ageing Stack\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Why is the copper part significant?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Because the peptide's principal characterised function is copper transport. GHK binds Cu2+ tightly enough to accept it from albumin but reversibly enough to pass it on to cellular transporters and copper-dependent enzymes. A copper-free GHK preparation is a different research material with a different activity profile.\"}},{\"@type\":\"Question\",\"name\":\"Why is the reconstituted solution blue?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The colour comes from d-d electronic transitions of the coordinated copper(II) ion. It is expected, and its presence is a rough indication that the complex remains intact. Loss of colour or a marked colour shift suggests dissociation or degradation.\"}},{\"@type\":\"Question\",\"name\":\"How does GHK-Cu differ from BPC-157 and TB-500?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Different mechanisms entirely. GHK-Cu delivers copper to matrix enzymes and modulates matrix gene expression. BPC-157 is studied chiefly for angiogenic and growth factor signalling; TB-500 for actin sequestration and cell migration. They appear together in the GLOW and KLOW blends because the pathways are complementary rather than overlapping.\"}},{\"@type\":\"Question\",\"name\":\"What is it studied for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Published research centres on extracellular matrix remodelling, wound and tissue repair models, antioxidant and anti-inflammatory gene expression, and dermatological applications. Pickart's laboratory produced the majority of the foundational literature.\"}},{\"@type\":\"Question\",\"name\":\"How is purity verified?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Every batch is assayed by Bioindustrial Services in Boksburg, an independent biotechnology laboratory, using HPLC. We do not self-certify. The signed certificate of analysis for each batch — lab number, method and assayed result — is published on our quality standards page at \/pages\/quality-standards.\"}},{\"@type\":\"Question\",\"name\":\"How long does delivery take?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Orders are dispatched from the Netherlands with tracked courier delivery — 1–3 business days within the Netherlands, 2–5 business days to the rest of the EU. Full timelines are set out on our delivery process page at \/pages\/delivery-process.\"}},{\"@type\":\"Question\",\"name\":\"Can I return an order?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Under the EU Consumer Rights Directive you may withdraw from your order within 14 days of delivery, without giving a reason, provided the vial's seal is intact. Vials that have been unsealed, opened, punctured or reconstituted cannot be returned, as sterility and integrity can no longer be assured (Article 16(e)). If your parcel arrives damaged, contact us within 48 hours with photographs of the packaging and product and we will arrange a replacement. The full terms are set out at \/pages\/return-refund-policy.\"}}]}\u003c\/script\u003e","brand":"Purist Peptides","offers":[{"title":"Default Title","offer_id":49172132004063,"sku":null,"price":54.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/8787\/3759\/files\/GHK-CU_379beee5-6401-4db3-9d64-8ce24a44d9aa.png?v=1778674595"},{"product_id":"tb-500","title":"TB-500 10mg","description":"\u003cstyle\u003e.pp-pdp{--nv:#0d2233;--tl:#3a9ab5;--ink:#1f2937;--mut:#5b6b7a;--ln:#e3e8ee;--sf:#f5f8fa;--gr:#1E9E5A;font-family:Montserrat,-apple-system,sans-serif;color:var(--ink);line-height:1.6;margin:34px 0 0;width:100%;max-width:100%;overflow-x:hidden;background:#fff;text-align:left}.pp-pdp *{box-sizing:border-box}.pp-pdp h2,.pp-pdp h3{color:var(--nv);font-weight:800;line-height:1.15;margin:0 0 14px}.pp-pdp p{color:var(--ink);margin:0 0 14px}.pp-pdp p:last-child{margin-bottom:0}.pp-pdp a{color:#0d6c8a}.pp-pdp .pp-in{max-width:1180px;margin:0 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.pp-tldr{list-style:none;margin:18px 0 0;padding:16px 0 0;border-top:1px solid var(--ln)}.pp-pdp .pp-tldr li{display:flex;gap:14px;padding:6px 0;font-size:14.5px;color:var(--mut)}.pp-pdp .pp-tldr b{color:var(--nv);flex:0 0 148px}.pp-pdp .pp-card h3{font-size:15.5px;margin:0 0 8px;color:var(--nv);line-height:1.3}.pp-pdp .pp-more{margin-top:24px;max-width:900px}.pp-pdp .pp-more .pp-ab p{margin-bottom:12px}.pp-pdp .pp-dose{width:100%;border-collapse:collapse;margin:0 0 16px}.pp-pdp .pp-dose th,.pp-pdp .pp-dose td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--ln);font-size:14.5px;color:var(--mut)}.pp-pdp .pp-dose th{background:var(--nv);color:#fff;font-size:11.5px;letter-spacing:1.2px;text-transform:uppercase;font-weight:700}.pp-pdp .pp-dose td:first-child{font-weight:700;color:var(--nv);white-space:nowrap}.pp-pdp .pp-step{counter-reset:s;list-style:none;padding:0;margin:0 0 18px}.pp-pdp .pp-step li{position:relative;padding:0 0 11px 34px;font-size:15px;color:var(--mut)}.pp-pdp .pp-step li:before{counter-increment:s;content:counter(s);position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:50%;background:var(--tl);color:#fff;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center}.pp-pdp .pp-warn{background:#fff6e5;border-left:4px solid #e0a33a;padding:13px 18px;border-radius:0 8px 8px 0;font-size:14.5px;color:var(--ink);margin:0 0 16px}.pp-pdp .pp-warn p{margin:0 0 6px;font-size:14.5px}.pp-pdp .pp-warn p:last-child{margin:0}.pp-pdp .pp-vbox{border:1px solid var(--ln);border-radius:12px;padding:26px;margin:0 0 22px;background:#fff;box-shadow:0 2px 10px rgba(13,34,51,.05)}.pp-pdp .pp-vbox h3{font-size:18px;margin:0 0 18px;padding-bottom:12px;border-bottom:2px solid var(--tl)}.pp-pdp .pp-vbox p{font-size:15px}.pp-pdp .pp-sub{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;font-weight:800;color:var(--tl);margin:0 0 10px}.pp-pdp .pp-cta{display:inline-block;background:var(--gr);color:#fff!important;font-weight:800;font-size:15px;padding:15px 32px;border-radius:6px;text-decoration:none;margin-top:8px}.pp-pdp .pp-cta:hover{filter:brightness(1.08)}@media(max-width:900px){.pp-pdp .pp-tldr li{display:block}.pp-pdp .pp-tldr b{display:block;margin-bottom:2px}.pp-pdp .pp-vbox{padding:20px}.pp-pdp .pp-ov{padding:22px}}\u003c\/style\u003e\n\u003cdiv class=\"pp-pdp\"\u003e\n\u003csection class=\"pp-facts\" id=\"specs\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cdiv class=\"pp-fi\"\u003e\n\u003cb class=\"pp-v3\"\u003eRecovery, flexibility and mobility\u003c\/b\u003e\u003cspan\u003eWhat it is used for\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-fi\"\u003e\n\u003cb class=\"pp-v2\"\u003e500mcg daily\u003c\/b\u003e\u003cspan\u003eTypical dose\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-fi\"\u003e\n\u003cb class=\"pp-v2\"\u003e20 days per vial\u003c\/b\u003e\u003cspan\u003eOne vial lasts\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-fi\"\u003e\n\u003cb class=\"pp-v2\"\u003eIndependently HPLC tested\u003c\/b\u003e\u003cspan\u003eEvery batch\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec\" id=\"overview\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eOverview\u003c\/p\u003e\n\u003ch2\u003eIn plain English\u003c\/h2\u003e\n\u003cdiv class=\"pp-ov pp-prose\"\u003e\n\u003cp\u003eTB-500 is a synthetic version of thymosin beta-4, a protein your body already makes and releases at the site of an injury.\u003c\/p\u003e\n\u003cp\u003eIt is used mainly for recovery: muscle and tendon repair, stiffness and range of motion. It is often run alongside BPC-157 because the two work in completely different ways.\u003c\/p\u003e\n\u003cul class=\"pp-tldr\"\u003e\n\u003cli\u003e\n\u003cb\u003eWhat it is\u003c\/b\u003e\u003cspan\u003eA synthetic form of thymosin beta-4, injected subcutaneously\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMainly used for\u003c\/b\u003e\u003cspan\u003eMuscle and tendon recovery, flexibility, mobility\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTypical protocol\u003c\/b\u003e\u003cspan\u003e500mcg once daily for 4–8 weeks\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec pp-alt\" id=\"how\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cdiv class=\"pp-g2\"\u003e\n\u003cdiv class=\"pp-prose\"\u003e\n\u003cp class=\"pp-kick\"\u003eHow it works\u003c\/p\u003e\n\u003ch2\u003eWhat it actually does\u003c\/h2\u003e\n\u003cp\u003eWhen tissue is damaged, repair cells have to physically crawl into the wound. To do that they constantly rebuild their internal scaffolding.\u003c\/p\u003e\n\u003cp\u003eThymosin beta-4 is the body's main controller of the raw material for that scaffolding. It holds a ready supply on standby so cells can move quickly and in the right direction.\u003c\/p\u003e\n\u003cp\u003eThat is why the research theme is cell movement and remodelling rather than blood supply — the opposite end of the repair process from BPC-157.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-media\"\u003e\u003cimg class=\"pp-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0984\/2422\/6090\/files\/purist-tb-500.png?v=1785967535\" alt=\"TB-500 molecular structure and mechanism of action diagram\" width=\"1200\" height=\"1200\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdetails class=\"pp-ac pp-more\"\u003e\u003csummary\u003eThe science in detail\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\n\u003cp\u003eThymosin beta-4 is a 43-residue, intrinsically disordered peptide and the principal G-actin sequestering protein in mammalian cells. Its defining function is stoichiometric: it binds monomeric G-actin in a 1:1 complex and holds it in an unpolymerisable state. This creates a buffered reservoir of actin monomer that the cell can release on demand, allowing rapid, localised polymerisation of F-actin at the leading edge during migration. The actin-binding activity localises to a central motif, the heptapeptide LKKTETQ, which is why \"TB-500\" is frequently described as a fragment-based construct rather than the intact protein — a distinction buyers should confirm against the batch assay, since commercial material varies.\u003c\/p\u003e\n\u003cp\u003eThe functional consequence of actin buffering is control over cell motility. Cells that must migrate into a wound bed — endothelial cells, keratinocytes, fibroblasts — depend on the ability to rapidly reorganise the cytoskeleton, and thymosin beta-4 sits directly on that control point. Malinda et al. (Journal of Investigative Dermatology, 1999) reported accelerated dermal wound repair with increased keratinocyte migration and collagen deposition in rodent models.\u003c\/p\u003e\n\u003cp\u003eA second, distinct mechanism operates through enzymatic processing. The N-terminal tetrapeptide Ac-SDKP is liberated from thymosin beta-4 by prolyl oligopeptidase and by meprin-α, and this fragment has independent anti-fibrotic and anti-inflammatory activity in its own right — studied, for example, in bleomycin models of pulmonary fibrosis. The parent peptide therefore functions partly as a precursor.\u003c\/p\u003e\n\u003cp\u003eIn cardiac tissue, Bock-Marquette et al. (Nature, 2004) reported that thymosin beta-4 activates integrin-linked kinase and promotes cardiomyocyte migration and survival after injury, a pathway independent of the actin-sequestering role.\u003c\/p\u003e\n\u003cp\u003eThis is the contrast with BPC-157. TB-500's principal described actions are intracellular and cytoskeletal; BPC-157's are extracellular and vascular, centring on VEGFR2 and nitric oxide signalling. The mechanisms do not overlap, which is why the two are commonly studied together.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eEvidence\u003c\/p\u003e\n\u003ch2\u003eWhat the research shows\u003c\/h2\u003e\n\u003cdiv class=\"pp-cards\"\u003e\n\u003cdiv class=\"pp-card\"\u003e\n\u003cspan class=\"pp-num\"\u003e01\u003c\/span\u003e\u003ch3\u003eControls how repair cells move\u003c\/h3\u003e\n\u003cp\u003eIt manages the internal scaffolding cells use to migrate into a wound — the step that determines how fast repair starts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-card\"\u003e\n\u003cspan class=\"pp-num\"\u003e02\u003c\/span\u003e\u003ch3\u003eFaster skin repair in animal models\u003c\/h3\u003e\n\u003cp\u003eRodent wound studies reported quicker closure, more cell migration and more collagen laid down.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-card\"\u003e\n\u003cspan class=\"pp-num\"\u003e03\u003c\/span\u003e\u003ch3\u003eDifferent mechanism to BPC-157\u003c\/h3\u003e\n\u003cp\u003eBPC-157 works outside the cell on blood supply; TB-500 works inside the cell on movement. That is why they are commonly paired.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pp-card\"\u003e\n\u003cspan class=\"pp-num\"\u003e04\u003c\/span\u003e\u003ch3\u003eStudied in heart tissue too\u003c\/h3\u003e\n\u003cp\u003eResearch has examined its role in cardiac repair signalling, separate from the wound-healing work.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec pp-alt\" id=\"prep\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eMixing \u0026amp; dosage\u003c\/p\u003e\n\u003ch2\u003eHow to mix and dose it\u003c\/h2\u003e\n\u003cdiv class=\"pp-prose pp-wide\"\u003e\n\u003cp\u003eThese are the mixing and dosage instructions supplied by Purist Peptides and the manufacturer for this product.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA 3ml vial of bacteriostatic water is included free with every peptide vial you order\u003c\/strong\u003e, so you have what you need to mix this on arrival.\u003c\/p\u003e\n\u003cdiv class=\"pp-vbox\"\u003e\n\u003ch3\u003eTB-500 10mg\u003c\/h3\u003e\n\u003cp class=\"pp-sub\"\u003eStep 1 — mix your vial\u003c\/p\u003e\n\u003col class=\"pp-step\"\u003e\n\u003cli\u003eDraw up 2ml of bacteriostatic water into a syringe\u003c\/li\u003e\n\u003cli\u003eWipe the rubber top of your vial with an alcohol swab and let it dry\u003c\/li\u003e\n\u003cli\u003eInsert the needle then slowly and carefully push the water down the inside wall of the vial — do not inject water straight onto the peptide powder\u003c\/li\u003e\n\u003cli\u003eGently roll the vial between your palms until the powder dissolves completely\u003c\/li\u003e\n\u003cli\u003eDo not shake\u003c\/li\u003e\n\u003cli\u003eAllow to settle in the fridge for 5–10 minutes. The liquid should look clear\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"pp-sub\"\u003eStep 2 — draw \u0026amp; inject your dose\u003c\/p\u003e\n\u003cp\u003eUse a 1ml insulin syringe to draw and inject your dose. A 1ml syringe = 100 units.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWith 2ml of water added, each 0.1ml (10 units) you draw = 500mcg of TB-500.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"pp-dose\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eStage\u003c\/th\u003e\n\u003cth\u003eDose\u003c\/th\u003e\n\u003cth\u003eOn the syringe\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStarting\u003c\/td\u003e\n\u003ctd\u003e250mcg daily\u003c\/td\u003e\n\u003ctd\u003e5 units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e500mcg daily\u003c\/td\u003e\n\u003ctd\u003e10 units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eVial duration at standard dose: 20 days\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to inject:\u003c\/strong\u003e Once daily.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCycle length:\u003c\/strong\u003e 4 to 8 weeks, then reassess.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"pp-sub\"\u003eHow to inject\u003c\/p\u003e\n\u003col class=\"pp-step\"\u003e\n\u003cli\u003eWipe your injection site with an alcohol swab and let it dry\u003c\/li\u003e\n\u003cli\u003ePinch a small fold of skin on your abdomen or inject near the area of concern\u003c\/li\u003e\n\u003cli\u003eInsert the needle at a 45-degree angle into the pinched skin\u003c\/li\u003e\n\u003cli\u003eSlowly push the plunger down until empty\u003c\/li\u003e\n\u003cli\u003ePull the needle out and apply gentle pressure with the swab\u003c\/li\u003e\n\u003cli\u003eDispose of the needle safely in a sharps container — never recap or reuse\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"pp-sub\"\u003eStorage\u003c\/p\u003e\n\u003cp\u003eKeep refrigerated at 2 to 6 degrees Celsius at all times after mixing. Do not freeze. Protect from light and label the vial with the date you reconstituted it. Discard any solution that is hazy, discoloured or contains particles.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor informational purposes only. This is not medical advice. Speak to a qualified healthcare professional before starting any compound.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure class=\"pp-fig\"\u003e\u003cimg class=\"pp-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0984\/2422\/6090\/files\/purist-reconstitution-steps-v2.png?v=1786504935\" alt=\"Four-step peptide reconstitution guide: bring the vial to room temperature, add bacteriostatic water down the vial wall, roll gently without shaking, and store refrigerated at 2 to 6 degrees Celsius without freezing\" width=\"1400\" height=\"900\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/figure\u003e\n\u003cp style=\"margin-top:26px\"\u003e\u003ca class=\"pp-cta\" href=\"#specs\" onclick=\"window.scrollTo({top:0,behavior:'smooth'});return false;\"\u003eReady to order — back to the top\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-sec pp-alt\" id=\"faq\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eQuestions\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cdiv class=\"pp-faq\"\u003e\n\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eIs TB-500 the same thing as thymosin beta-4?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eNot necessarily. Thymosin beta-4 is the full 43-residue endogenous peptide. \"TB-500\" is a research designation applied both to full-length material and to constructs based on the LKKTETQ active motif, and usage across suppliers is inconsistent. Check the batch assay report to confirm what a given vial contains.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eWhat does actin sequestration actually do?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eThymosin beta-4 binds monomeric G-actin in a 1:1 complex and holds it unpolymerised, creating a reservoir the cell can draw on. Releasing that monomer permits rapid, localised F-actin polymerisation at the leading edge — the mechanical basis of directed cell migration during tissue repair.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eHow does TB-500 differ from BPC-157?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eTB-500's described mechanisms are intracellular and cytoskeletal. BPC-157's are extracellular and vascular, involving VEGFR2 signalling and nitric oxide modulation. Because the two act on different systems, they are frequently examined in parallel rather than as substitutes for one another.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eCan it be stored in solution with BPC-157?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eStandard laboratory practice is to reconstitute and store the two separately. The stability of a combined solution is not characterised in the literature, and mixing removes the ability to attribute any observed change to either compound.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eHow is purity verified?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eEvery batch is assayed by independent HPLC at Bioindustrial Services in Boksburg. We do not rely on the manufacturer's own certificate alone. The assay report for the batch you receive is available on request, and our full testing protocol is set out at \u003ca href=\"\/pages\/quality-standards\"\u003eQuality Standards\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eHow long does delivery take?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eOrders are dispatched from the Netherlands with tracked courier delivery — 1–3 business days within the Netherlands, 2–5 business days to the rest of the EU. Current dispatch and transit windows are set out at \u003ca href=\"\/pages\/delivery-process\"\u003eDelivery Process\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"pp-ac\"\u003e\u003csummary\u003eCan I return an order?\u003c\/summary\u003e\u003cdiv class=\"pp-ab\"\u003e\u003cp\u003eUnder the EU Consumer Rights Directive you may withdraw from your order within 14 days of delivery, without giving a reason, provided the vial's seal is intact. Vials that have been unsealed, opened, punctured or reconstituted cannot be returned, as sterility and integrity can no longer be assured (Article 16(e)). If your parcel arrives damaged, contact us within 48 hours with photographs of the packaging and product and we will arrange a replacement. The full terms are set out in our \u003ca href=\"\/pages\/return-refund-policy\"\u003eRefund Policy\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"pp-links\"\u003e\u003cdiv class=\"pp-in\"\u003e\n\u003cp class=\"pp-kick\"\u003eExplore\u003c\/p\u003e\n\u003cdiv class=\"pp-chips\"\u003e\n\u003ca class=\"pp-chip pp-chip-lead\" href=\"\/collections\/recovery-repair-peptides\"\u003eAlso in Recovery \u0026amp; Tissue Repair\u003c\/a\u003e\u003ca class=\"pp-chip\" href=\"\/products\/bpc-157\"\u003eBPC-157\u003c\/a\u003e\u003ca class=\"pp-chip\" href=\"\/products\/bpc-157-tb-500\"\u003eWolverine Stack\u003c\/a\u003e\u003ca class=\"pp-chip\" href=\"\/products\/ghk-cu\"\u003eGHK-Cu\u003c\/a\u003e\u003ca class=\"pp-chip pp-chip-alt\" href=\"\/pages\/recovery-peptide-stack\"\u003eRecovery Peptide Stack\u003c\/a\u003e\u003ca class=\"pp-chip pp-chip-alt\" href=\"\/pages\/performance-recovery-peptide-stack\"\u003ePerformance Recovery Peptide Stack\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is TB-500 the same thing as thymosin beta-4?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not necessarily. Thymosin beta-4 is the full 43-residue endogenous peptide. TB-500 is a research designation applied both to full-length material and to constructs based on the LKKTETQ active motif, and usage across suppliers is inconsistent. Check the batch assay report to confirm what a given vial contains.\"}},{\"@type\":\"Question\",\"name\":\"What does actin sequestration actually do?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Thymosin beta-4 binds monomeric G-actin in a 1:1 complex and holds it unpolymerised, creating a reservoir the cell can draw on. Releasing that monomer permits rapid, localised F-actin polymerisation at the leading edge, the mechanical basis of directed cell migration during tissue repair.\"}},{\"@type\":\"Question\",\"name\":\"How does TB-500 differ from BPC-157?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"TB-500's described mechanisms are intracellular and cytoskeletal. BPC-157's are extracellular and vascular, involving VEGFR2 signalling and nitric oxide modulation. Because the two act on different systems, they are frequently examined in parallel rather than as substitutes for one another.\"}},{\"@type\":\"Question\",\"name\":\"Can it be stored in solution with BPC-157?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Standard laboratory practice is to reconstitute and store the two separately. The stability of a combined solution is not characterised in the literature, and mixing removes the ability to attribute any observed change to either compound.\"}},{\"@type\":\"Question\",\"name\":\"How is purity verified?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Every batch is assayed by independent HPLC at Bioindustrial Services in Boksburg. We do not rely on the manufacturer's own certificate alone. The assay report for the batch you receive is available on request, and our full testing protocol is set out at \/pages\/quality-standards.\"}},{\"@type\":\"Question\",\"name\":\"How long does delivery take?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Orders are dispatched from the Netherlands with tracked courier delivery — 1–3 business days within the Netherlands, 2–5 business days to the rest of the EU. Current dispatch and transit windows are set out at \/pages\/delivery-process.\"}},{\"@type\":\"Question\",\"name\":\"Can I return an order?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Under the EU Consumer Rights Directive you may withdraw from your order within 14 days of delivery, without giving a reason, provided the vial's seal is intact. Vials that have been unsealed, opened, punctured or reconstituted cannot be returned, as sterility and integrity can no longer be assured (Article 16(e)). If your parcel arrives damaged, contact us within 48 hours with photographs of the packaging and product and we will arrange a replacement. The full terms are set out at \/pages\/return-refund-policy.\"}}]}\u003c\/script\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":49172147667167,"sku":null,"price":49.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/8787\/3759\/files\/TB500_10MG_1.png?v=1778674625"}],"url":"https:\/\/puristpeptides.nl\/collections\/recovery-repair-peptides.oembed","provider":"Purist Peptides NL","version":"1.0","type":"link"}