Tirzepatide 99.8% Purity — GZ PeptidesCertificate of Analysis · Independent third-party lab result

Name: Tirzepatide COA — GZ Peptides (99.8% purity)
Creator: Freedom Diagnostics
License: https://titratelab.com/terms

Tested purity 99.8% High purity · 99.83%

Dose vs label +19.5% Over the labeled dose

Evidence Source archived

Test date: 2026-07-02
Testing lab: Freedom Diagnostics
Batch / lot: Light [NAME_REDACTED]
Quantity: 35.85 mg
Endotoxins: —
Assay method: HPLC + MS
Label dose: 30mg

Context

How this result compares

This Tirzepatide certificate's tested purity of 99.83% ranks higher than 51% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-07-02 by Freedom Diagnostics via HPLC + MS. This test is newer than 100% of our catalogued Tirzepatide certificates.

GZ Peptides has 2 certificates in our corpus, including 1 for Tirzepatide at a median tested purity of 99.83%.

Manufacturer

GZ 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.

Tirzepatide 99.8% Purity — GZ PeptidesCertificate of Analysis · Independent third-party lab result

How this result compares

Freedom Diagnostic

Saved source document

Other Tirzepatide certificates

You must be 21 or older to enter.