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

Retatrutide 99.8% Purity — Joe JohnsonCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.757%
Dose vs label +4.8% Essentially at label
Evidence Source archived
Test date
2026-01-18
Testing lab
Freedom Diagnostics
Batch / lot
Quantity
20.97 mg
label 20mg · tested 20.97 mg
Endotoxins
Assay method
HPLC + MS
Label dose
20mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.76% ranks higher than 36% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-01-18 by Freedom Diagnostics via HPLC + MS. This test is newer than 41% of our catalogued Retatrutide certificates.

Joe Johnson has 1 certificate in our corpus, including 1 for Retatrutide at a median tested purity of 99.76%.

Manufacturer
Joe Johnson
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:cb1fe0a158e5d92e… — immutable copy held by TitrateLab

Download the saved PDF (sha256 cb1fe0a158e5…)
Related

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