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

Retatrutide 99.9% Purity — Lexen PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.917%
Dose vs label -1.4% Essentially at label
Evidence Source archived
Test date
2026-03-24
Testing lab
Freedom Diagnostics
Batch / lot
RT20-0320
Quantity
19.72 mg
label 20mg · tested 19.72 mg
Endotoxins
Assay method
HPLC + MS
Label dose
20mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.92% ranks higher than 79% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-03-24 by Freedom Diagnostics via HPLC + MS. This test is newer than 63% of our catalogued Retatrutide certificates.

Lexen Peptide has 2 certificates in our corpus, including 2 for Retatrutide at a median tested purity of 99.90%.

Manufacturer
Lexen Peptide
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
20mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:4554af5f02c65564… — immutable copy held by TitrateLab

Download the saved PDF (sha256 4554af5f02c6…)
Related

Other Retatrutide certificates

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