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

Retatrutide 99.9% Purity — GREY RESEARCH PEPTIDESCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.92%
Dose vs label -1.3% Essentially at label
Evidence Source archived
Test date
2026-05-17
Testing lab
Freedom Diagnostics
Batch / lot
30245
Quantity
29.60 mg
label 30mg · tested 29.60 mg
Endotoxins
Assay method
HPLC + MS
Label dose
30mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.92% ranks higher than 80% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-05-17 by Freedom Diagnostics via HPLC + MS. This test is newer than 77% of our catalogued Retatrutide certificates.

GREY RESEARCH PEPTIDES has 32 certificates in our corpus, including 3 for Retatrutide at a median tested purity of 99.82%.

Manufacturer
GREY RESEARCH 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
30mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:1fb424f58727d062… — immutable copy held by TitrateLab

Download the saved PDF (sha256 1fb424f58727…)
Related

Other Retatrutide certificates

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