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

Retatrutide 100.0% Purity — John HarrisCertificate of Analysis · Independent third-party lab result

Tested purity 100.0% High purity · 99.969%
Dose vs label 12.47 mg · tested 12.47 mg
Evidence Source archived
Test date
2025-10-23
Testing lab
Freedom Diagnostics
Batch / lot
Quantity
12.47 mg
Endotoxins
Assay method
HPLC + MS
Context

How this result compares

This Retatrutide certificate's tested purity of 99.97% ranks higher than 96% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-10-23 by Freedom Diagnostics via HPLC + MS. This test is newer than 22% of our catalogued Retatrutide certificates.

John Harris has 2 certificates in our corpus, including 1 for Retatrutide at a median tested purity of 99.97%.

Manufacturer
John Harris
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:a22c374167e16bb0… — immutable copy held by TitrateLab

Download the saved PDF (sha256 a22c374167e1…)
Related

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