TitrateLab · Certificate of Analysis

Tesamorelin 99.4% Purity — Puratek PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.4% High purity · 99.43%
Dose vs label +10.2% Over the labeled dose
Evidence Source archived Blend
Test date
2026-05-09
Testing lab
Freedom Diagnostics
Batch / lot
TES20001
Quantity
22.05 mg
label 20mg · tested 22.05 mg
Endotoxins
Assay method
HPLC + MS
Label dose
20mg
Context

How this result compares

This Tesamorelin certificate's tested purity of 99.43% ranks higher than 48% of the 2215 Tesamorelin certificates with a purity result we have catalogued (median 99.47%).

Tested 2026-05-09 by Freedom Diagnostics via HPLC + MS. This test is newer than 73% of our catalogued Tesamorelin certificates.

Puratek Peptides has 79 certificates in our corpus, including 6 for Tesamorelin at a median tested purity of 99.35%.

Manufacturer
Puratek Peptides
View vendor profile
Source

Freedom Diagnostic

Source archived

We archived this certificate's source document — an immutable, SHA-256-fingerprinted copy held by TitrateLab (see Saved source document below). It stays verifiable even if the upstream page disappears.

Method
HPLC + MS
Test type
freedom_composite
Dose
20mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:a11d28a0dacefa0d… — immutable copy held by TitrateLab

Download the saved PDF (sha256 a11d28a0dace…)
Related

Other Tesamorelin certificates

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