AI summary Trust: medium Third-party lab

LabE tested this TB-500 batch at 97.25% purity via HPLC and mass quantification. The tested quantity was 1.76mg against a 2mg label, representing a 12% deviation. Endotoxin status is unknown, 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)
  • quantity deviation (12%)
Test date
2025-10-09
Purity
97.25% 97.25%
Batch / lot
(no batch ID)
Lab
LabE
Quantity
label 2mg tested 1.76mg
Qty vs label
-12.0%
Endotoxins
—
Test score
3.0
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
2mg
Container
Pink Label / Silver Crimp / Blue Cap
Catalogued
2026-04-16
Artifact hash
a5b02f383e94ba94…
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.