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

Tirzepatide 99.9% Purity — The Peptide BarCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.91%
Dose vs label +7.0% Over the labeled dose
Evidence Source archived
Test date
2026-05-16
Testing lab
Freedom Diagnostics
Batch / lot
Black Cap
Quantity
32.10 mg
label 30mg · tested 32.10 mg
Endotoxins
Assay method
HPLC + MS
Label dose
30mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.91% ranks higher than 80% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-05-16 by Freedom Diagnostics via HPLC + MS. This test is newer than 83% of our catalogued Tirzepatide certificates.

The Peptide Bar has 8 certificates in our corpus, including 5 for Tirzepatide at a median tested purity of 99.91%.

Manufacturer
The Peptide Bar
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
30mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:c4d1fcca67972faf… — immutable copy held by TitrateLab

Download the saved PDF (sha256 c4d1fcca6797…)
Related

Other Tirzepatide certificates

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