GHK-Cu 99.9% Purity — Reta PeptideCertificate of Analysis · Independent third-party lab result
LabF tested this GHK-Cu at 99.87% purity using HPLC and mass quantification. The tested quantity was significantly lower than labeled (80.55mg vs 100mg, a 19.4% deviation). Endotoxin status is not applicable, and the test is older (6-12 months). Customers can cross-check on the lab's public verification URL.
- significant quantity deviation
- older (6-12 months)
- Test date
- 2025-07-16
- Testing lab
- LabF
- Batch / lot
- (no batch ID)
- Quantity
- 80.55mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.0
- Label dose
- 100mg
How this result compares
This GHK-Cu certificate's tested purity of 99.87% ranks higher than 61% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-07-16 by LabF via HPLC + mass quantification + endotoxins. This test is newer than 7% of our catalogued GHK-Cu certificates.
Reta Peptide has 249 certificates in our corpus, including 27 for GHK-Cu at a median tested purity of 99.90%.
Test report image
Finnrick
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