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

Retatrutide 99.2% Purity — Pura PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.2% High purity · 99.191%
Dose vs label +21.6% Over the labeled dose
Evidence Source archived
Test date
2026-02-01
Testing lab
Freedom Diagnostics
Batch / lot
RTPK40-12926
Quantity
48.63 mg
label 40mg · tested 48.63 mg
Endotoxins
Assay method
HPLC + MS
Label dose
40mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.19% ranks higher than 6% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-02-01 by Freedom Diagnostics via HPLC + MS. This test is newer than 47% of our catalogued Retatrutide certificates.

Pura Peptides has 113 certificates in our corpus, including 34 for Retatrutide at a median tested purity of 99.84%.

Manufacturer
Pura Peptides
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
40mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:91ea16b58b19c77a… — immutable copy held by TitrateLab

Download the saved PDF (sha256 91ea16b58b19…)
Related

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