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

Retatrutide 99.7% Purity — Zenith BiopeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.724%
Dose vs label +8.9% Over the labeled dose
Evidence Source archived
Test date
2026-02-01
Testing lab
Freedom Diagnostics
Batch / lot
RTT10-010326
Quantity
10.89 mg
label 10mg · tested 10.89 mg
Endotoxins
Assay method
HPLC + MS
Label dose
10mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.72% ranks higher than 33% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-02-01 by Freedom Diagnostics via HPLC + MS. This test is newer than 47% of our catalogued Retatrutide certificates.

Zenith Biopeptides has 98 certificates in our corpus, including 15 for Retatrutide at a median tested purity of 99.75%.

Manufacturer
Zenith Biopeptides
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

sha256:150fda2f4b18ea88… — immutable copy held by TitrateLab

Download the saved PDF (sha256 150fda2f4b18…)
Related

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