GHK-Cu 99.7% Purity — Uther PeptideCertificate of Analysis · Independent third-party lab result
LabG tested this GHK-Cu batch at 99.7% purity via HPLC and mass quantification. However, the tested quantity was significantly lower than the label (27.7mg vs 50mg, a 44.6% deviation), and endotoxin status is unknown. The test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.
- significant quantity deviation
- no endotoxin test
- no batch ID
- Test date
- 2026-03-04
- Testing lab
- LabG
- Batch / lot
- (no batch ID)
- Quantity
- 27.7mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 4.2
- Label dose
- 50mg
How this result compares
This GHK-Cu certificate's tested purity of 99.70% ranks higher than 29% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-03-04 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 53% of our catalogued GHK-Cu certificates.
Uther Peptide has 524 certificates in our corpus, including 31 for GHK-Cu at a median tested purity of 99.77%.
Test report image
Finnrick
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