GHK-Cu — Peptide GurusCertificate of Analysis · Independent third-party lab result
Source attribution for this COA is incomplete, derived from a blend test. While the report names Janoshik, specific purity, test method, and endotoxin status are unknown. Only a tested quantity of 53.62mg is available, and the test is recent (3-6 months old). Customers should treat this as one data point, not as confirmation.
- unknown purity
- no endotoxin test
- unknown test method
- Test date
- 2026-01-07
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- —
- Endotoxins
- —
- Assay method
- —
How this result compares
We have catalogued 2894 GHK-Cu certificates; across the 2612 with a purity result the median tested purity is 99.82%.
Tested 2026-01-07 by Janoshik. This test is newer than 30% of our catalogued GHK-Cu certificates.
Peptide Gurus has 182 certificates in our corpus, including 5 for GHK-Cu at a median tested purity of 99.78%.
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