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

Retatrutide 99.9% Purity — River & OakCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.917%
Dose vs label 4.90 mg · tested 4.90 mg
Evidence Source archived
Test date
2026-01-11
Testing lab
Freedom Diagnostics
Batch / lot
Quantity
4.90 mg
Endotoxins
Assay method
HPLC + MS
Context

How this result compares

This Retatrutide certificate's tested purity of 99.92% ranks higher than 79% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-01-11 by Freedom Diagnostics via HPLC + MS. This test is newer than 39% of our catalogued Retatrutide certificates.

River & Oak has 4 certificates in our corpus, including 1 for Retatrutide at a median tested purity of 99.92%.

Manufacturer
River & Oak
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
Catalogued
2026-07-04
Saved source

Saved source document

sha256:224b9cee1fc87aeb… — immutable copy held by TitrateLab

Download the saved PDF (sha256 224b9cee1fc8…)
Related

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