GHK-Cu — MKM PeptidesCertificate of Analysis · Independent third-party lab result
Source attribution for this COA is incomplete, and it appears to be derived from a blend. While the test date is recent (under 3 months), purity and endotoxin status are unknown. The tested quantity of 65.45mg for a 50mg label represents a significant +30.9% deviation. Customers should treat this as one data point and be conservative about confidence claims.
- unknown purity
- no endotoxin test
- quantity deviation (+30.9%)
- Test date
- 2026-04-09
- 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 2026-04-09 by Janoshik. This test is newer than 59% 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
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