AI summary Trust: medium Third-party lab

LabE tested this GHK-Cu batch at 99.81% purity via HPLC and mass quantification. The tested quantity was 13.2% over the labeled 50mg, and endotoxin status is unknown. The test is recent (3-6 months old). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • quantity deviation (13.2% over)
  • no batch ID
Test date
2025-12-29
Purity
99.81% 99.81%
Batch / lot
(no batch ID)
Lab
LabE
Quantity
label 50mg tested 56.6mg
Qty vs label
+13.2%
Endotoxins
—
Test score
5.6
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
50mg
Container
No Label / Copper Crimp / Clear Cap
Catalogued
2026-04-16
Artifact hash
999b801899c5a53f…
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.