BPC-157 vs GHK-Cu
These are unrelated molecules that turn up in the same tissue-repair literature. BPC-157 is a synthetic 15-residue peptide whose receptor target is not established. GHK-Cu is a naturally occurring tripeptide that binds copper and is studied in collagen and matrix pathways.
15-amino-acid peptide studied in cytoprotection models
Choose BPC-157 if
- ✓ You are working with cytoprotection or angiogenesis models from the BPC-157 literature
- ✓ You need a 15-residue peptide without a metal complex
Naturally occurring copper-binding tripeptide
Choose GHK-Cu if
- ✓ Your question involves copper binding or extracellular matrix biology
- ✓ You want the compound with published cosmetic-science data
Side-by-side specification
| Compare | BPC-157 15-amino-acid peptide studied in cytoprotection models | GHK-Cu Naturally occurring copper-binding tripeptide |
|---|---|---|
| Class | Synthetic pentadecapeptide | Copper-binding tripeptide |
| Research area | Repair | Skin & matrix |
| Receptor targets | Not fully defined | Matrix and collagen pathways (mechanism debated) |
| Length | 15 amino acids | 3 amino acids |
| Molecular mass | ≈ 1.42 kDa | ≈ 404 Da (as the copper complex) |
| Origin | Synthetic, derived from a gastric-juice protein sequence | Naturally occurring, produced synthetically |
| Evidence level | 2/5 Mostly animal and in vitro | 2/5 Mostly animal and in vitro |
| Regulatory status | Not approved | Cosmetic ingredient only |
| Nordapep from | — | £59.32 |
| Best price per mg | — | £0.59/mg |
| Browse Nordapep → | View GHK-Cu at Nordapep → |
What separates them
Both are rated 2 on our evidence scale, meaning mostly animal and cell data. GHK-Cu has a long history as a cosmetic ingredient; BPC-157 has no approval of any kind.
Read the full guides for BPC-157 and GHK-Cu, or add a third compound in the comparison tool.
FAQ
Are BPC-157 and GHK-Cu related?
No. They differ in sequence, size and proposed mechanism. They are compared because both appear in preclinical repair research.
How do their sizes compare?
BPC-157 is about 1.42 kDa. GHK-Cu is about 404 Da as the copper complex.
Are BPC-157 and GHK-Cu approved medicines?
BPC-157: Not approved. GHK-Cu: Cosmetic ingredient only. Research-grade material of either is not a medicine and is supplied for in vitro research only.
Where can I buy BPC-157 and GHK-Cu?
Nordapep lists compounds with a Certificate of Analysis matched to the batch reference. Check each compound page for current availability.
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Where to buy
Why we send researchers to Nordapep
Comparing compounds is only half the job. The other half is knowing the vial contains what the label says. Nordapep publishes batch documentation for every compound it sells.
Browse the Nordapep catalogue →Each batch reference on the label matches its CoA, so you can check what is in the vial.
Enter the batch reference from your vial into Nordapep's batch-verification tool.
Purity is reported by RP-HPLC, the standard method for peptides of this size.
Bundled stacks for common comparisons, plus tiered pricing for volume orders.