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

Retatrutide 100.0% Purity — Opal PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 100.0% High purity · 99.962%
Dose vs label -8.1% Under the labeled dose
Evidence Source archived
Test date
2026-01-19
Testing lab
Freedom Diagnostics
Batch / lot
Quantity
13.78 mg
label 15mg · tested 13.78 mg
Endotoxins
Assay method
HPLC + MS
Label dose
15mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.96% ranks higher than 95% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-01-19 by Freedom Diagnostics via HPLC + MS. This test is newer than 42% of our catalogued Retatrutide certificates.

Opal Peptides has 80 certificates in our corpus, including 9 for Retatrutide at a median tested purity of 99.83%.

Manufacturer
Opal 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
15mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:acee024ae9a8d658… — immutable copy held by TitrateLab

Download the saved PDF (sha256 acee024ae9a8…)
Related

Other Retatrutide certificates

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