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

Retatrutide 99.9% Purity — Simple PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.907%
Dose vs label +14.8% Over the labeled dose
Evidence Source archived
Test date
2026-01-08
Testing lab
Freedom Diagnostics
Batch / lot
GR12-01062026-J
Quantity
13.77 mg
label 12mg · tested 13.77 mg
Endotoxins
Assay method
HPLC + MS
Label dose
12mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.91% ranks higher than 76% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-01-08 by Freedom Diagnostics via HPLC + MS. This test is newer than 39% of our catalogued Retatrutide certificates.

Simple Peptide has 561 certificates in our corpus, including 52 for Retatrutide at a median tested purity of 99.89%.

Manufacturer
Simple Peptide
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
12mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:28b82d3209d9b4e1… — immutable copy held by TitrateLab

Download the saved PDF (sha256 28b82d3209d9…)
Related

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