AI summary Trust: medium Third-party lab

This COA was tested by an independent third-party lab, LabE. The tirzepatide from Peptide S showed 99.93% purity via HPLC and mass quantification. The tested quantity was 18.9mg against a 20mg label, a deviation of -5.5%. Endotoxin status is not applicable. The test is older (6-12 months) and lacks a batch ID.

Watch out for
  • no batch ID
  • older (6-12 months)
  • endotoxins not applicable
Test date
2025-07-17
Purity
99.93% 99.93%
Batch / lot
(no batch ID)
Lab
LabE
Quantity
label 20mg tested 18.9mg
Qty vs label
-5.5%
Endotoxins
n/a
Test score
7.8
Manufacturer
Peptide Sciences
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 / Violet Cap
Catalogued
2026-04-16
Artifact hash
5fce69e94990ba89…
This COA is part of TitrateLab's community-trust corpus. See more from Peptide Sciences or learn how trust scores are computed on the methodology page.