FOR LABORATORY RESEARCH PURPOSES ONLY. This compound has not received FDA approval. All information shown is drawn from published laboratory research for educational purposes
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Before you continue
This site sells research products exclusively to qualified researchers and laboratories for in vitro and laboratory use. Please confirm before continuing.
Klow Blend is a research formulation that combines four separately characterized peptides, GHK-Cu, BPC-157, TB-500 and KPV. It is supplied by Peppy Peptides for laboratory research use only, to qualified researchers working in controlled research settings.
Klow Blend brings together four peptides from different structural classes:
Together, the four peptides in Klow Blend are studied in laboratory research for their combined interaction with tissue-repair and cellular-signaling pathways.
Researchers working with Klow Blend typically study its four components within tissue-repair signaling models and cellular-signaling assay systems:
Klow Blend is also used in laboratory research on how multiple peptide classes interact within the same cellular-signaling environment, which supports comparative and combination-peptide study designs.
Klow Blend is a research compound blend of GHK-Cu, BPC-157, TB-500 and KPV. The four peptides are studied in laboratory research for their combined interaction with tissue-repair and cellular-signaling pathways.
In addition to GHK-Cu, BPC-157 and TB-500, Klow Blend includes KPV, an alpha-MSH-derived tripeptide studied in inflammatory-signaling pathway research.
Published laboratory research on GHK-Cu, BPC-157, TB-500 and KPV is indexed on PubMed.
For research use only. Not for human consumption. Not evaluated by the FDA. Not intended to diagnose, treat, cure, or prevent any disease. This compound has not received FDA approval. All information shown is drawn from clinical studies for educational purposes.
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Lab-verified quality
Each lot is analysed by Bioviridian before release. Below is the Certificate of Analysis for the most recent lot, as issued by the laboratory.
Overall purity
99.7%
RP-HPLC (214 nm)
View the signed COA (PDF)Check this certificate at bioviridians.com/coa-search.html with code COA7691.
Test results
5 of 5 conformHPLC retention time 1.946, 2.191, 9.118, 9.195 min · Signed: Shane Straight, M.S., Principal Chemist, Bioviridian Inc.
Every lot keeps its own signed certificate. Lots are listed newest first.
Lot KLOW072026-MG
99.7%
Overall purity
Tested July 13, 2026
Open COAEarlier lots will appear here as new Certificates of Analysis are published.
Compound details
Molecular profile
Storage requirements
Store lyophilized Klow Blend at −20°C for long-term stability.
Once reconstituted, refrigerate at 2–8°C and use within 4–6 weeks; avoid repeated freeze-thaw cycles.
Published literature
7 peer-reviewed publications indexed on PubMed. Listed for reference only; inclusion does not imply any use, effect or endorsement.
J INVEST DERMATOL · 2004 KPV
Elliott RJ, Szabo M, Wagner MJ, et al. J Invest Dermatol. 2004;122(4):1010-9. doi:10.1111/j.0022-202X.2004.22404.x
Examined alpha-MSH, the tripeptide KPV (MSH 11-13) and ACTH signaling in human keratinocyte cell lines.
BIOMED CHROMATOGR · 2015 KPV
Pawar KR, Mulabagal V, Smith F, et al. Biomed Chromatogr. 2015;29(5):716-21. doi:10.1002/bmc.3347
Developed a stability-indicating HPLC assay for KPV in aqueous solutions and skin homogenates.
FEBS LETT · 1988 GHK-Cu
Maquart FX, Pickart L, Laurent M, et al. FEBS Lett. 1988;238(2):343-346. doi:10.1016/0014-5793(88)80509-x
Measured collagen synthesis in cultured human fibroblasts exposed to the GHK-Cu complex across a range of concentrations.
CURR PHARM DES · 2014 BPC-157
Seiwerth S, Brcic L, Vuletic LB, et al. Curr Pharm Des. 2014;20(7):1121-5. doi:10.2174/13816128113199990421
Reviewed published laboratory and preclinical research on BPC 157 in relation to blood-vessel biology.
CURR PHARM DES · 2014 BPC-157
Stable gastric pentadecapeptide BPC 157-NO-system relation
Sikiric P, Seiwerth S, Rucman R, et al. Curr Pharm Des. 2014;20(7):1126-35. doi:10.2174/13816128113190990411
Reviewed research on the relationship between BPC 157 and the nitric oxide (NO) system.
NEURAL REGEN RES · 2022 BPC-157
Pentadecapeptide BPC 157 and the central nervous system
Vukojevic J, Milavić M, Perović D, et al. Neural Regen Res. 2022;17(3):482-487. doi:10.4103/1673-5374.320969
Reviewed preclinical research on BPC 157 in relation to the central nervous system.
THE JOURNAL OF BIOLOGICAL CHEMISTRY · 1991 TB-500 / Thymosin beta-4
Thymosin beta 4 and Fx, an actin-sequestering peptide, are indistinguishable
Safer D, Elzinga M, Nachmias VT The Journal of biological chemistry. 1991;266(7):4029-32.
Sequenced the platelet actin-sequestering peptide Fx, identified it as thymosin beta-4, and characterized its 1:1 binding to G-actin and inhibition of actin polymerization.
