AI summary Trust: medium Third-party lab

LabG tested this tirzepatide batch (Grey Cap) at 99.7% purity via HPLC. However, the tested quantity was significantly under-dosed at 16mg against a 20mg label, a 20% deviation. Endotoxin status is not applicable, and the test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.

Watch out for
  • significant quantity deviation (-20%)
  • no endotoxin test
Test date
2026-03-04
Purity
99.70% 99.70%
Batch / lot
[NAME_REDACTED]
Lab
LabG
Quantity
label 20mg tested 16mg
Qty vs label
-20.0%
Endotoxins
n/a
Test score
6.5
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
20mg
Container
No Label / Silver Crimp / Black Cap
Catalogued
2026-04-16
Artifact hash
cd8ccf7b078ad81e…
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.