GHK-Cu — MKM PeptidesCertificate of Analysis · Independent third-party lab result
This COA for GHK-Cu is derived from a Janoshik report, but the source attribution is incomplete, and key details like purity, test method, and batch ID are unknown. The test date is recent (under 3 months), and a verification URL is available, but the lack of core data points limits its utility. Customers should treat this as one data point and not as confirmation.
- unknown purity
- unknown batch ID
- unknown test method
- Test date
- 2026-04-08
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- —
- Endotoxins
- —
- Assay method
- Heavy metals analysis.
How this result compares
We have catalogued 2860 GHK-Cu certificates; across the 2580 with a purity result the median tested purity is 99.82%.
Tested 2026-04-08 by Janoshik via Heavy metals analysis.. This test is newer than 58% of our catalogued GHK-Cu certificates.
MKM Peptides has 97 certificates in our corpus, including 5 for GHK-Cu at a median tested purity of 99.87%.
Test report image
janoshik_blend_derived
Artifact capturedWe have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.
Verify on the upstream lab