TitrateLab · Certificate of Analysis

Retatrutide 99.8% Purity — Reju PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.80%
Dose vs label +5.3% Over the labeled dose
Evidence Source archived Blend
Test date
2026-06-12
Testing lab
Freedom Diagnostics
Batch / lot
RT30-02
Quantity
31.60 mg
label 30mg · tested 31.60 mg
Endotoxins
Assay method
HPLC + MS
Label dose
30mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.80% ranks higher than 43% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-06-12 by Freedom Diagnostics via HPLC + MS. This test is newer than 89% of our catalogued Retatrutide certificates.

Reju Peptides has 19 certificates in our corpus, including 2 for Retatrutide at a median tested purity of 99.75%.

Manufacturer
Reju 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

sha256:81d5a4b7de83fd2d… — immutable copy held by TitrateLab

Download the saved PDF (sha256 81d5a4b7de83…)
Related

Other Retatrutide certificates

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