TitrateLab · Certificate of Analysis

Tirzepatide 99.5% Purity — NexGen PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.5% High purity · 99.55%
Dose vs label +13.3% Over the labeled dose
Evidence Source archived Blend
Test date
2026-02-07
Testing lab
Freedom Diagnostics
Batch / lot
TR50-2564
Quantity
56.63 mg
label 50mg · tested 56.63 mg
Endotoxins
Assay method
HPLC + MS
Label dose
50mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.55% ranks higher than 15% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-02-07 by Freedom Diagnostics via HPLC + MS. This test is newer than 61% of our catalogued Tirzepatide certificates.

NexGen Peptides has 107 certificates in our corpus, including 20 for Tirzepatide at a median tested purity of 99.78%.

Manufacturer
NexGen 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
50mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:b3cd470440a5a71a… — immutable copy held by TitrateLab

Download the saved PDF (sha256 b3cd470440a5…)
Related

Other Tirzepatide certificates

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