GHK-Cu 100.0% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this GHK-Cu batch at 99.95% purity using HPLC and mass quantification. The quantity was 2% above the labeled amount, and the test is recent (3-6 months old). Endotoxin status is unknown. Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- no batch ID
- Test date
- 2026-01-19
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 51mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 8.0
- Label dose
- 50mg
How this result compares
This GHK-Cu certificate's tested purity of 99.95% ranks higher than 91% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-01-19 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 34% of our catalogued GHK-Cu certificates.
Zlz Peptide has 274 certificates in our corpus, including 14 for GHK-Cu at a median tested purity of 99.91%.
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:b0a7fe92a16ec787…
— immutable copy held by TitrateLab