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Multi-peptide blend · 4 components

KLOW: inside the blend

80mg four-peptide vial: the GLOW combination plus KPV.

Multi-Peptide BlendsUpdated 2026-11-09

Per-vial contents

Combination untested. Purgo's product page doesn't list the components, but its COA data report GHK-Cu, BPC-157, thymosin β4 and KPV.
Original illustration for KLOW (GHK-Cu + BPC-157 + TB-500 + KPV) research notes: abstract molecular artwork in orange and teal
Original illustration by USA Peptide Vendors; artistic, not a structural model.

What each component does on its own

Evidence level: Components only: no study has tested this combination. All mechanism maps

KLOW mechanism diagramEach component's own reported mechanism, side by side. Targets: GHK-Cu: Cu(II) delivery to cells, BPC-157: VEGFR2, TB-500: G-actin, KPV: PepT1 transporter. : . Effect reported for that component alone: Collagen synthesis ↑, Endothelial tube formation, Cell migration, Intestinal inflammation ↓.KLOW mechanism mapEach component's own reported mechanism, side by sideKLOW4-component blendGHK-Cu: Cu(II)delivery tocells[1]BPC-157:VEGFR2up-regulation andinternalization[2]TB-500:G-actinmonomer binding(LKKTETQ motif)[3,4]KPV: PepT1transporterintestinalepithelium [5]Collagensynthesis ↑fibroblast culture[6]Endothelialtube formationcell culture [2]Cell migration[4]Intestinalinflammation ↓mouse colitis [5]Evidence: Components only: no study has tested this combination. Numbers in brackets referto the cited sources.usapeptidevendors.com · Research Use OnlyCOMPONENT → REPORTED TARGETEFFECT REPORTED FOR THAT COMPONENT ALONE
Each row comes from studies of that peptide on its own. Whether the blend behaves like the sum of its parts has not been studied. Open SVG
  1. Pickart L et al. Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data. Int J Mol Sci. 2018;19.
  2. Hsieh MJ et al. Therapeutic potential of pro-angiogenic BPC157 is associated with VEGFR2 activation and up-regulation. J Mol Med. 2017;95:323–333.
  3. Huff T et al. β-Thymosins, small acidic peptides with multiple functions. Int J Biochem Cell Biol. 2001;33:205–220.
  4. Goldstein AL et al. Thymosin β4: a multi-functional regenerative peptide. Basic properties and clinical applications. Expert Opin Biol Ther. 2012;12:37–51.
  5. Dalmasso G et al. PepT1-mediated tripeptide KPV uptake reduces intestinal inflammation. Gastroenterology. 2008;134:166-78.
  6. Maquart FX et al. Stimulation of collagen synthesis in fibroblast cultures by the tripeptide-copper complex glycyl-L-histidyl-L-lysine-Cu2+. FEBS Lett. 1988;238:343-6.

Blend-specific checks

  • Ask for net content per component: GHK-Cu, BPC-157, TB-500, KPV. A single purity figure for the vial doesn't cover each peptide.

FAQ

What is KLOW (GHK-Cu + BPC-157 + TB-500 + KPV)?

80mg four-peptide vial: the GLOW combination plus KPV. Purgo's product page doesn't list the components, but its COA data report GHK-Cu, BPC-157, thymosin β4 and KPV.

What's in KLOW (GHK-Cu + BPC-157 + TB-500 + KPV)?

GHK-Cu, BPC-157, TB-500, KPV. No published study has tested this exact combination; each component's evidence is separate.

Where can US labs buy KLOW (GHK-Cu + BPC-157 + TB-500 + KPV)?

Purgo Labs stocks it as “KLOW”; code usapeptidevendors takes 25% off at checkout. This page also lists the best-documented second vendor from our 112-vendor directory.

Is research-grade KLOW (GHK-Cu + BPC-157 + TB-500 + KPV) for human use?

No. Vendor material is sold for Research Use Only, not for human or veterinary use.