BPC-157 vs KLOW Blend
Tissue Repair
BPC-157
Synthetic pentadecapeptide derived from a gastric juice protein, widely studied for cytoprotection and angiogenic signaling.
Tissue Repair
KLOW Blend
Four-compound co-formulation: the Glow trio of GHK-Cu, BPC-157 and TB-500, plus the α-MSH-derived tripeptide KPV, studied together in tissue-remodeling and inflammatory-signaling contexts.
Side by side
| Dimension | BPC-157 | KLOW Blend |
|---|---|---|
| Molecular weight A 3.5× difference in mass — these are not comparable on a milligram-for-milligram basis. | 1419.53 g/mol | 400.9 g/mol |
| Size class | short peptide | small molecule / short peptide |
| CAS number | 137525-51-0 | 89030-95-5 / 137525-51-0 / 77591-33-4 / 67727-97-3 |
| Research area | repair | repair |
| Sequence | Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val | Not published as a linear sequence |
| Available sizes | 5mg, 10mg | 80mg |
| Entry price | $39 | $124 |
| Cost per mg Cost per milligram differs by more than 3×. Compare against the concentrations your protocol actually requires, not the headline vial price. | $6.90 | $1.55 |
Mechanism
BPC-157
BPC-157 is a synthetic 15-amino-acid sequence corresponding to a partial fragment of body protection compound, a protein identified in human gastric juice. It is notably stable in gastric acid, a property unusual among peptides of comparable size and one that has made it a frequent subject of oral-administration studies in rodent models. The published literature is dominated by a single research group, which is a genuine methodological caveat worth noting when evaluating the evidence base.
KLOW Blend
KLOW extends the Glow formulation with KPV, the C-terminal tripeptide (residues 11-13) of alpha-melanocyte-stimulating hormone. GHK-Cu is studied for copper delivery and extracellular matrix remodeling, BPC-157 for angiogenic and cytoprotective signaling, and TB-500 for actin sequestration and cell migration; KPV adds a line of work on NF-κB pathway inhibition in epithelial models. Each vial holds 50mg GHK-Cu, 10mg BPC-157, 10mg TB-500 and 10mg KPV. Co-formulation is a handling convenience; each compound's evidence base stands on its own.
Evidence quality
Mechanism is not the same as evidence. Where we have assessed the literature, the verdict is stated plainly.
BPC-157
Evidence base: substantial volume, narrow provenance. Weight accordingly and prefer independently replicated findings where they exist.
Full research reference →Research applications
BPC-157
- Angiogenesis and VEGFR2 signaling pathway studies
- Tendon and ligament fibroblast migration assays
- Gastrointestinal mucosal integrity research in rodent models
- Nitric oxide system interaction studies
KLOW Blend
- Extracellular matrix remodeling assays
- Inflammatory cytokine and NF-κB pathway studies
- Copper-peptide gene expression modulation
- Multi-pathway repair protocol design
Common questions
What is the difference between BPC-157 and KLOW Blend?
BPC-157 is synthetic pentadecapeptide derived from a gastric juice protein, widely studied for cytoprotection and angiogenic signaling. KLOW Blend is four-compound co-formulation: the Glow trio of GHK-Cu, BPC-157 and TB-500, plus the α-MSH-derived tripeptide KPV, studied together in tissue-remodeling and inflammatory-signaling contexts. They differ in molecular weight (1419.53 vs 400.9 g/mol) and in the pathways they are studied against.
Which is more cost-effective per milligram, BPC-157 or KLOW Blend?
KLOW Blend is lower at approximately $1.55 per milligram at its best tier, against $6.90 for the other. Cost per milligram is only meaningful relative to the concentrations a given protocol requires, since these compounds are not used at comparable masses.
Can BPC-157 and KLOW Blend be studied together?
Combination designs appear in the published literature for a number of these compounds. Whether it is appropriate for a given protocol depends entirely on the model and endpoint. We supply research compounds and do not provide protocol guidance — consult the primary literature for your specific model.
How should BPC-157 and KLOW Blend be stored?
Store lyophilized powder at -20°C protected from light. Reconstituted solution stable at 2-8°C for up to 30 days. For KLOW Blend: Store lyophilized powder at -20°C protected from light. Copper-containing peptides are light-sensitive — keep vials in the carton. Reconstituted solution stable at 2-8°C for up to 30 days.
Which has the stronger evidence base?
BPC-157 — Evidence base: substantial volume, narrow provenance. Weight accordingly and prefer independently replicated findings where they exist. Where we have not published a formal evidence assessment, treat the literature as requiring your own appraisal.
All products sold on this website are intended for research and identification purposes only. These products are not intended for human dosing, injection, or ingestion.
Comparison generated from Lyra Vital catalog data. Every specification is reconciled against the certificate of analysis for the shipped batch.