AI summary Trust: medium Third-party lab

LabE tested this TB-500 from Zlz Peptide at 85.85% purity using HPLC. The tested quantity was 2.16mg against a 2mg label, an 8% deviation. Endotoxin status is unknown. The test is recent (3-6 months old) and customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • no batch ID
  • quantity deviation (8%)
Test date
2025-11-25
Purity
85.85% 85.85%
Batch / lot
(no batch ID)
Lab
LabE
Quantity
label 2mg tested 2.16mg
Qty vs label
+8.0%
Endotoxins
—
Test score
3.9
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
No Label / Silver Crimp / Blue Cap
Catalogued
2026-04-16
Artifact hash
12995311f42be4a4…
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.