GHK-Cu 99.7% Purity — HM PEPTIDECertificate of Analysis · Independent third-party lab result
LabG tested this GHK-Cu batch (Jan 25 2026) at 99.7% purity via HPLC and mass quantification. The tested quantity was significantly lower than the label at 41.7mg vs 50mg, a 16.6% deviation. Endotoxin status is unknown. 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
- Test date
- 2026-03-21
- Testing lab
- LabG
- Batch / lot
- Jan 25 2026
- Quantity
- 41.7mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.9
- 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 2026-03-21 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 58% of our catalogued GHK-Cu certificates.
HM PEPTIDE has 135 certificates in our corpus, including 16 for GHK-Cu at a median tested purity of 99.87%.
Test report image
Finnrick
Artifact capturedWe have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.
Verify on the upstream labSaved source document
sha256:32f7b80e08530293…
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