All Tirzepatide Certificate of Analysis results— 7306 COAs
TitrateLab · Certificate of Analysis

Tirzepatide 99.3% Purity — Brenda DaneCertificate of Analysis · Independent third-party lab result

Tested purity 99.3% High purity · 99.283%
Dose vs label +30.0% Over the labeled dose
Evidence Source archived
Test date
2026-02-12
Testing lab
Freedom Diagnostics
Batch / lot
Quantity
52.00 mg
label 40mg · tested 52.00 mg
Endotoxins
Assay method
HPLC + MS
Label dose
40mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.28% ranks higher than 7% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-02-12 by Freedom Diagnostics via HPLC + MS. This test is newer than 63% of our catalogued Tirzepatide certificates.

Brenda Dane has 3 certificates in our corpus, including 1 for Tirzepatide at a median tested purity of 99.28%.

Manufacturer
Brenda Dane
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
40mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:b8ec8656357b980d… — immutable copy held by TitrateLab

Download the saved PDF (sha256 b8ec8656357b…)
Related

Other Tirzepatide certificates

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