GHK-Cu 99.8% Purity — LilipeptideCertificate of Analysis · Independent third-party lab result
LabG tested this GHK-Cu at 99.8% purity via HPLC and mass quantification. However, the tested quantity was significantly lower than labeled, at 69.4mg against a 100mg label, representing a -30.6% deviation. Endotoxin status is unknown, and no batch ID was provided. The test is recent (under 3 months) and customers can cross-check on the lab's public verification URL.
- significant quantity deviation
- no endotoxin test
- no batch ID
- Test date
- 2026-02-20
- Testing lab
- LabG
- Batch / lot
- (no batch ID)
- Quantity
- 69.4mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 4.6
- Label dose
- 100mg
How this result compares
This GHK-Cu certificate's tested purity of 99.80% ranks higher than 45% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-02-20 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 48% of our catalogued GHK-Cu certificates.
Lilipeptide has 285 certificates in our corpus, including 24 for GHK-Cu at a median tested purity of 99.90%.
Test report image
Finnrick
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