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

Retatrutide 100.0% Purity — Great Northern PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 100.0% High purity · 99.98%
Dose vs label +7.0% Over the labeled dose
Evidence Source archived
Test date
2025-07-02
Testing lab
Freedom Diagnostics
Batch / lot
Quantity
42.79 mg
label 40mg · tested 42.79 mg
Endotoxins
Assay method
HPLC + MS
Label dose
40mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.98% ranks higher than 98% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-07-02 by Freedom Diagnostics via HPLC + MS. This test is newer than 7% of our catalogued Retatrutide certificates.

Great Northern Peptides has 83 certificates in our corpus, including 7 for Retatrutide at a median tested purity of 99.81%.

Manufacturer
Great Northern 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

sha256:3e417d395bbd8ba6… — immutable copy held by TitrateLab

Download the saved PDF (sha256 3e417d395bbd…)
Related

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