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

Retatrutide 99.7% Purity — Guardian LabsCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.655%
Dose vs label +41.5% Over the labeled dose
Evidence Source archived
Test date
2026-02-16
Testing lab
Freedom Diagnostics
Batch / lot
GL-RT-15
Quantity
21.23 mg
label 15mg · tested 21.23 mg
Endotoxins
Assay method
HPLC + MS
Label dose
15mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.66% ranks higher than 24% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-02-16 by Freedom Diagnostics via HPLC + MS. This test is newer than 52% of our catalogued Retatrutide certificates.

Guardian Labs has 9 certificates in our corpus, including 4 for Retatrutide at a median tested purity of 99.75%.

Manufacturer
Guardian Labs
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
15mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:879baf7b30d59a90… — immutable copy held by TitrateLab

Download the saved PDF (sha256 879baf7b30d5…)
Related

Other Retatrutide certificates

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