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

Tirzepatide 99.7% Purity — Welli LabsCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.748%
Dose vs label -0.6% Essentially at label
Evidence Source archived
Test date
2025-11-04
Testing lab
Freedom Diagnostics
Batch / lot
TZ30-01-10002
Quantity
29.83 mg
label 30mg · tested 29.83 mg
Endotoxins
Assay method
HPLC + MS
Label dose
30mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.75% ranks higher than 33% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-11-04 by Freedom Diagnostics via HPLC + MS. This test is newer than 37% of our catalogued Tirzepatide certificates.

Welli Labs has 87 certificates in our corpus, including 4 for Tirzepatide at a median tested purity of 99.77%.

Manufacturer
Welli 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
30mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:f57cbdf405a2e190… — immutable copy held by TitrateLab

Download the saved PDF (sha256 f57cbdf405a2…)
Related

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