All Retatrutide Certificate of Analysis results— 9703 COAs
TitrateLab · Certificate of Analysis

Retatrutide 99.3% Purity — Onyx BioLabsCertificate of Analysis · Independent third-party lab result

Tested purity 99.3% High purity · 99.308%
Dose vs label +32.0% Over the labeled dose
Evidence Source archived
Test date
2026-02-11
Testing lab
Freedom Diagnostics
Batch / lot
RETA0925-15-1
Quantity
19.80 mg
label 15mg · tested 19.80 mg
Endotoxins
Assay method
HPLC + MS
Label dose
15mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.31% ranks higher than 9% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-02-11 by Freedom Diagnostics via HPLC + MS. This test is newer than 50% of our catalogued Retatrutide certificates.

Onyx BioLabs has 3 certificates in our corpus, including 1 for Retatrutide at a median tested purity of 99.31%.

Manufacturer
Onyx BioLabs
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:a0ae90345e4f8c75… — immutable copy held by TitrateLab

Download the saved PDF (sha256 a0ae90345e4f…)
Related

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