All Tesamorelin Certificate of Analysis results— 2241 COAs
TitrateLab · Certificate of Analysis

Tesamorelin 99.6% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.6% High purity · 99.58%
Dose vs label -16.5% Under the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this Tesamorelin at 99.58% purity via HPLC and mass quantification. The tested quantity was 16.7mg, a significant -16.5% deviation from the 20mg label. Endotoxin status is unknown. This test is recent (3-6 months old). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • quantity deviation (-16.5%)
  • no batch ID
Test date
2026-01-15
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
16.7mg
label 20mg · tested 16.7mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
4.6
Label dose
20mg
Context

How this result compares

This Tesamorelin certificate's tested purity of 99.58% ranks higher than 56% of the 2240 Tesamorelin certificates with a purity result we have catalogued (median 99.46%).

Tested 2026-01-15 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 36% of our catalogued Tesamorelin certificates.

Zlz Peptide has 274 certificates in our corpus, including 15 for Tesamorelin at a median tested purity of 98.79%.

Manufacturer
Zlz Peptide
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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 shown here.

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
20mg
Container
No Label / Silver Crimp / Vliolet Cap
Catalogued
2026-04-16
Artifact hash
ff486a95521e5f2b…
Saved source

Saved source document

sha256:d380cd4f64aa7236… — immutable copy held by TitrateLab

Related

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This certificate is part of TitrateLab's community-trust corpus. See more from Zlz Peptide or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →