TitrateLab · Certificate of Analysis

Tirzepatide 99.9% Purity — Step One VenturesCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.86%
Dose vs label +15.4% Over the labeled dose
Evidence Source archived Blend
Test date
2026-05-29
Testing lab
Freedom Diagnostics
Batch / lot
TZ052626S1
Quantity
11.54 mg
label 10mg · tested 11.54 mg
Endotoxins
Assay method
HPLC + MS
Label dose
10mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.86% ranks higher than 59% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-05-29 by Freedom Diagnostics via HPLC + MS. This test is newer than 88% of our catalogued Tirzepatide certificates.

Step One Ventures has 60 certificates in our corpus, including 8 for Tirzepatide at a median tested purity of 99.88%.

Manufacturer
Step One Ventures
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

sha256:66499a9d95a9f38b… — immutable copy held by TitrateLab

Download the saved PDF (sha256 66499a9d95a9…)
Related

Other Tirzepatide certificates

This certificate is part of TitrateLab's community-trust corpus. See more from Step One Ventures or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →