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

Retatrutide 99.9% Purity — 4 Pillar LabsCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.851%
Dose vs label +24.9% Over the labeled dose
Evidence Source archived
Test date
2026-02-26
Testing lab
Freedom Diagnostics
Batch / lot
4 Pillar Labs
Quantity
12.49 mg
label 10mg · tested 12.49 mg
Endotoxins
Assay method
HPLC + MS
Label dose
10mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.85% ranks higher than 55% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-02-26 by Freedom Diagnostics via HPLC + MS. This test is newer than 56% of our catalogued Retatrutide certificates.

4 Pillar Labs has 21 certificates in our corpus, including 3 for Retatrutide at a median tested purity of 99.87%.

Manufacturer
4 Pillar 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
10mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:be8aca9dbd6ca405… — immutable copy held by TitrateLab

Download the saved PDF (sha256 be8aca9dbd6c…)
Related

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All Retatrutide results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from 4 Pillar Labs or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →