GHK-Cu — BarnCertificate of Analysis · Independent third-party lab result
Source attribution for this COA is incomplete, derived from a Janoshik blend test. The test, dated January 23, 2026 (recent, 3-6 months old), indicates a quantity of 58.5mg against a 50mg label, a 17% deviation. Purity and endotoxin status are unknown. Customers should treat this as one data point, not as confirmation.
- unknown purity
- no endotoxin test
- quantity deviation (17%)
- Test date
- 2026-01-23
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 58.5mg
- Endotoxins
- —
- Assay method
- —
How this result compares
We have catalogued 2867 GHK-Cu certificates; across the 2587 with a purity result the median tested purity is 99.82%.
Tested 2026-01-23 by Janoshik. This test is newer than 34% of our catalogued GHK-Cu certificates.
Barn has 54 certificates in our corpus, including 3 for GHK-Cu at a median tested purity of 99.77%.
janoshik_blend_derived
URL referencedThis entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.
Verify on the upstream lab