KLOW is a four-peptide blend of GHK-Cu, BPC-157, TB-500 and KPV supplied in a single vial. It is used in fibroblast, endothelial and epithelial culture where several signalling pathways are examined together.
The four components are supplied together in a single 80 mg vial. GHK-Cu is a copper-binding tripeptide, BPC-157 a 15-residue synthetic peptide, TB-500 a fragment derived from thymosin beta-4, and KPV a tripeptide from alpha-melanocyte-stimulating hormone. Each is also available on its own, and each has a full profile in the research library. Because KLOW is a blend rather than a single molecule, its laboratory documentation is read component by component. What the certificate of analysis for a blend can and cannot tell you is covered in how to read a certificate of analysis.
| Component | What it is | Sequence | Why it is in the blend | Full profile |
|---|---|---|---|---|
| GHK-Cu | Tripeptide copper(II) complex | Gly-His-Lys | Copper-binding tripeptide studied in matrix synthesis and fibroblast models | GHK-Cu |
| BPC-157 | 15-residue synthetic peptide | Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val | Proline-rich and chemically stable in aqueous solution; studied in cell migration and adhesion assays | BPC-157 |
| TB-500 | Thymosin beta-4 derived fragment | Carries the Leu-Lys-Lys-Thr-Glu-Thr actin-binding motif | Studied in actin dynamics and endothelial cell migration | TB-500 |
| KPV | Tripeptide, residues 11 to 13 of alpha-MSH | Lys-Pro-Val | The C-terminal fragment of alpha-melanocyte-stimulating hormone, studied in cytokine transcription models | KPV |
- Four-peptide blend of GHK-Cu, BPC-157, TB-500 and KPV
- Used in fibroblast, endothelial and epithelial culture models
- Applied in matrix protein, cell migration and cytokine assays
- Studied in multi-pathway signalling interaction research
- Purity confirmed by RP-HPLC, identity confirmed by mass spectrometry
Research profile: KLOW: structure, mechanism and research use
Independent test: a sample of this product was analysed by Janoshik Analytical on 2 December 2025, purity 99.87% by RP-HPLC. The certificate is shown in the lab band on this page.






