KLOW blend (KPV, BPC-157, TB-500, GHK-Cu)

What is in this blend?

The blend combines 4 compounds. No published study has tested this combination as a product; each component's evidence is separate.

• KPVNot approved (research only)
• BPC-157Not approved (research only)
• TB-500 (thymosin beta-4 fragment)Not approved (research only)
• GHK-CuNot approved (research only)

Regulatory & access status

KLOW blend (KPV, BPC-157, TB-500, GHK-Cu) is not approved by the FDA for any use; products sold under this name are labeled for research use only, not for human consumption.

Sellers that market unapproved peptides for human use can receive FDA warning letters; our vendor directory links any letter we found on fda.gov.

How much research exists on KLOW blend (KPV, BPC-157, TB-500, GHK-Cu)?

PubMed indexes 68 papers mentioning KLOW blend (KPV, BPC-157, TB-500, GHK-Cu) in the title or abstract, 24 of them from the last five years and 0 tagged as clinical trials (search run October 19, 2026; repeat the search).

Most relevant recent papers

• Inflammation-triggered self-immolative conjugates enable oral peptide delivery by overcoming gastrointestinal barriers. — Sci Adv, 2026
• A KPV-binding double-network hydrogel restores gut mucosal barrier in an inflamed colon. — Acta Biomater, 2022
• KPV and RAPA Self-Assembled into Carrier-Free Nanodrugs for Vascular Calcification Therapy. — Adv Healthc Mater, 2024
• A new era of doping? Use of peptide and peptide-analog drugs in recreational and professional sport and bodybuilding: a critical review. — J Sports Med Phys Fitness, 2026 · review
• Vimentin is required for tumor progression and metastasis in a mouse model of non-small cell lung cancer. — Oncogene, 2023
• Lysine-Proline-Valine peptide mitigates fine dust-induced keratinocyte apoptosis and inflammation by regulating oxidative stress and modulating the MAPK/NF-κB pathway. — Tissue Cell, 2025

What the evidence does not show

• Paper counts measure research attention, not whether KLOW blend works or is safe.
• No clinical trial in humans is tagged in PubMed under this name.
• No FDA review of any "research use only" product's identity, purity, sterility or dose.
• No study of this specific blend as sold.

Research suppliers that list KLOW blend

38 vendors in our directory listed a product matching KLOW blend in their public catalog on October 19, 2026. Listed alphabetically; a listing is not an endorsement. Research use only.

• Amino AmigosCatalog item: “KLOW 80mg”
• Ascension PeptidesCatalog item: “GHK-Cu 50mg + BPC-157 10mg + TB-500 10mg + KPV 10mg (KLOW 80mg)”
• Atomik LabzCatalog item: “KLOW (Wolverine Basic) (GHK Basic/TB-500/BPC/KPV) – WHITE Color”
• Backroad AminosCatalog item: “KLOW 80mg”
• Biocollex ResearchCatalog item: “KLOW”
• BioGenix PeptidesCatalog item: “KLOW 80mg Blend”
• BioLongevity LabsCatalog item: “KLOW Blend (GHK-Cu, BPC-157, TB-500, KPV) 80mg”
• Biotech PeptidesCatalog item: “KLOW Blend (80mg)”
• Bulk Peptide SupplyCatalog item: “KLOW (KPV 10 MG, BPC-157 10 MG, TB-500 10 MG, GHK-CU 50 MG)”
• Core PeptidesCatalog item: “KLOW (BPC-157, KPV, TB-500, GHK-Cu) Blend – 80MG”
• CostidesCatalog item: “KLOW”
• Eros PeptidesCatalog item: “KLOW 80MG”
• Evolve BioPepCatalog item: “KLOW™️ 80mg”
• Extreme PeptidesCatalog item: “KLOW Blend (GHK-Cu, BPC-157, TB-500, KPV)”
• Ion PeptideCatalog item: “KLOW – 80mg”
• JetPepsCatalog item: “KLOW Blend 80mg”
• Liberty PeptidesCatalog item: “GHK-Cu, KPV, BPC-157, TB-500 (KLOW Blend)”
• Licensed PeptidesCatalog item: “Klow 80mg Mots-C 10mg and BPC-157 10mg Upsell Package”
• LotusPeptideCatalog item: “KLOW Blend 80mg”
• Modern AminosCatalog item: “KLOW (GHK-CU, TB-500, BPC-157, KPV)”
• NuScience PeptidesCatalog item: “KLOW – 80mg”
• Paramount PeptidesCatalog item: “KLOW 80 – GHK-Cu (50mg) / KPV (10mg) / BPC-157 (10mg) / TB500 (10mg)”
• Peptide CraftersCatalog item: “Nova KLOW 80mg Large 8mL vial – GHK-CU (50mg) + TB-500 (10mg) + BPC-157 (10mg) + KPV (10mg)”
• Peptide PartnersCatalog item: “KLOW Blend: BPC-157/TB-500/GHK-Cu/KPV (80mg vials)”
• Peptide.ExpressCatalog item: “KLOW Blend”
• Pharma Grade PeptidesCatalog item: “BPC-157, TB-500, KPV, GHK-Cu 80mg (Klow Blend)”
• Plum Labs ResearchCatalog item: “KLOW”
• Polaris PeptidesCatalog item: “KLOW: GHK-cu 50mg, KPV 10mg, TB-500 10mg, BPC-157 10mg Blend”
• Prime Lab PeptidesCatalog item: “KLOW MAX Bundle”
• Prime PeptidesCatalog item: “Klow Blend”
• ProtideHealthCatalog item: “Klow Blend (GHK-CU, KPV, BPC-157, TB-500)”
• Pure Lab PeptidesCatalog item: “KLOW 80mg”
• Ramp PeptidesCatalog item: “KLOW-80 BLEND”
• Royal PeptidesCatalog item: “KLOW (GHK50mg + BPC-157 10mg + 10mg + TB-500 + KPV 10mg)80mgx10vials”
• San Diego PeptidesCatalog item: “Klow”
• Southern AminosCatalog item: “KLOW 80mg”
• Sunrise BioResearchCatalog item: “KLOW 80mg x 10vials, 800mg”
• Verified PeptidesCatalog item: “Blend: KPV GHK-Cu BPC-157 TB-500 (KLOW)”

Prices per mg, where we could verify them, are on our price comparison.

KLOW blend reconstitution math

Lab arithmetic only, not dosing guidance: vial-by-vial concentration tables are on KLOW blend vial math.

KLOW blend FAQ

Related compounds

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