GHK-Cu — Reta PeptideCertificate of Analysis · Independent third-party lab result
This COA for GHK-Cu from www.reta-peptide.com is derived from an unknown source, with no purity or endotoxin data available. The tested quantity of 60.05mg showed a significant 20.1% deviation from the 50mg label. The test is older (6-12 months). Customers should treat this as one data point and not as confirmation.
- unknown source
- no purity test
- no endotoxin test
- Test date
- 2025-07-18
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- —
- Endotoxins
- —
- Assay method
- —
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 2025-07-18 by Janoshik. This test is newer than 7% of our catalogued GHK-Cu certificates.
Reta Peptide has 262 certificates in our corpus, including 29 for GHK-Cu at a median tested purity of 99.90%.
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