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

Tirzepatide 99.9% Purity — 4 Pillar LabsCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.878%
Dose vs label +28.6% Over the labeled dose
Evidence Source archived
Test date
2026-02-26
Testing lab
Freedom Diagnostics
Batch / lot
4 Pillar Labs
Quantity
12.86 mg
label 10mg · tested 12.86 mg
Endotoxins
Assay method
HPLC + MS
Label dose
10mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.88% ranks higher than 63% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-02-26 by Freedom Diagnostics via HPLC + MS. This test is newer than 68% of our catalogued Tirzepatide certificates.

4 Pillar Labs has 21 certificates in our corpus, including 2 for Tirzepatide at a median tested purity of 99.90%.

Manufacturer
4 Pillar Labs
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
10mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:b35e04a4c7f00a42… — immutable copy held by TitrateLab

Download the saved PDF (sha256 b35e04a4c7f0…)
Related

Other Tirzepatide certificates

All Tirzepatide results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from 4 Pillar Labs or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →