AI summary Trust: medium Third-party lab

This COA was tested by an independent third-party lab, LabE. Tesamorelin from Zen Peptides showed 98.4% purity via HPLC and mass quantification. The tested quantity was 25.7mg against a 20mg label, a significant deviation of +28.5%. Endotoxin status is not applicable, and the test is recent (3-6 months old).

Watch out for
  • quantity deviation (+28.5%)
  • no batch ID
  • no endotoxin test
Test date
2025-11-17
Purity
98.40% 98.40%
Batch / lot
(no batch ID)
Lab
LabE
Quantity
label 20mg tested 25.7mg
Qty vs label
+28.5%
Endotoxins
n/a
Test score
2.3
Manufacturer
Zen Peptides
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Finnrick

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
20mg
Container
White Label / Silver Crimp / Red Cap
Catalogued
2026-04-16
Artifact hash
e5b5aa2d867a2995…
This COA is part of TitrateLab's community-trust corpus. See more from Zen Peptides or learn how trust scores are computed on the methodology page.