AI summary Trust: medium Third-party lab

This COA was tested by an independent third-party lab, LabE. The retatrutide batch R5 showed 99.02% purity via HPLC and mass quantification. The tested quantity was 5.31mg, a 6.2% deviation from the 5mg label. Endotoxin status is not available, and the test is older (6-12 months). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • older (6-12 months)
Test date
2025-10-23
Purity
99.02% 99.02%
Batch / lot
R5
Lab
LabE
Quantity
label 5mg tested 5.31mg
Qty vs label
+6.2%
Endotoxins
n/a
Test score
7.6
Manufacturer
Zlz Peptide
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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.

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
5mg
Container
White Label / Silver Crimp / Yellow Cap
Catalogued
2026-04-16
Artifact hash
e508ba4ae0103746…
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.