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

Retatrutide 100.0% Purity — Centre ResearchCertificate of Analysis · Independent third-party lab result

Tested purity 100.0% High purity · 99.99%
Dose vs label +12.8% Over the labeled dose
Evidence Source archived
Test date
2025-10-17
Testing lab
Freedom Diagnostics
Batch / lot
RET25-20-001
Quantity
22.56 mg
label 20mg · tested 22.56 mg
Endotoxins
Assay method
HPLC + MS
Label dose
20mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.99% ranks higher than 100% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-10-17 by Freedom Diagnostics via HPLC + MS. This test is newer than 21% of our catalogued Retatrutide certificates.

Centre Research has 249 certificates in our corpus, including 17 for Retatrutide at a median tested purity of 99.94%.

Manufacturer
Centre Research
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
20mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:cde00e03a91f73bf… — immutable copy held by TitrateLab

Download the saved PDF (sha256 cde00e03a91f…)
Related

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