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

Retatrutide 99.3% Purity — The PeptiqueCertificate of Analysis · Independent third-party lab result

Tested purity 99.3% High purity · 99.342%
Dose vs label +9.0% Over the labeled dose
Evidence Source archived
Test date
2025-12-12
Testing lab
Freedom Diagnostics
Batch / lot
Z-RETA5-120325
Quantity
5.45 mg
label 5mg · tested 5.45 mg
Endotoxins
Assay method
HPLC + MS
Label dose
5mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.34% ranks higher than 9% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-12-12 by Freedom Diagnostics via HPLC + MS. This test is newer than 33% of our catalogued Retatrutide certificates.

The Peptique has 196 certificates in our corpus, including 17 for Retatrutide at a median tested purity of 99.71%.

Manufacturer
The Peptique
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
5mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:779393e9991de8bc… — immutable copy held by TitrateLab

Download the saved PDF (sha256 779393e9991d…)
Related

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