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

Tirzepatide 99.6% Purity — Christine CoulterCertificate of Analysis · Independent third-party lab result

Tested purity 99.6% High purity · 99.596%
Dose vs label +8.1% Over the labeled dose
Evidence Source archived
Test date
2026-02-14
Testing lab
Freedom Diagnostics
Batch / lot
Quantity
16.21 mg
label 15mg · tested 16.21 mg
Endotoxins
Assay method
HPLC + MS
Label dose
15mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.60% ranks higher than 17% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-02-14 by Freedom Diagnostics via HPLC + MS. This test is newer than 64% of our catalogued Tirzepatide certificates.

Christine Coulter has 2 certificates in our corpus, including 2 for Tirzepatide at a median tested purity of 99.74%.

Manufacturer
Christine Coulter
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
15mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:f14b90c831d67843… — immutable copy held by TitrateLab

Download the saved PDF (sha256 f14b90c831d6…)
Related

Other Tirzepatide certificates

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