AI summary Trust: medium Third-party lab

LabE tested this GHK-Cu batch (03/12/2026) at 99.6% purity via HPLC and mass quantification. Quantity was slightly over-labeled by 2.1%, and the test is recent (under 3 months). However, the endotoxin status is unknown. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
Test date
2026-04-28
Purity
99.60% 99.60%
Batch / lot
03/12/2026
Lab
LabE
Quantity
label 100mg tested 102.1mg
Qty vs label
+2.1%
Endotoxins
—
Test score
9.3
Manufacturer
Zlz Peptide
View vendor dossier
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Finnrick

✓ Artifact captured

We have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact below.

Verify on upstream
Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
100mg
Container
(no data)
Catalogued
2026-05-02
Artifact hash
f960f196a41d5642…
This COA is part of TitrateLab's community-trust corpus. See more from Zlz Peptide or learn how trust scores are computed on the methodology page.