GHK-Cu — Reta PeptideCertificate of Analysis · Independent third-party lab result
Source attribution for this COA is incomplete, derived from a Janoshik blend test for www.reta-peptide.com. The test, dated 2025-11-20 (recent, 3-6 months old), shows a tested quantity of 56.67mg. Purity and endotoxin results are not available. Customers should treat this as one data point, not as confirmation.
- unknown purity
- no endotoxin test
- unknown batch ID
- Test date
- 2025-11-20
- 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 2025-11-20 by Janoshik. This test is newer than 20% 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