TitrateLab · Certificate of Analysis

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

Tested purity 99.9% High purity · 99.94%
Dose vs label +25.7% Over the labeled dose
Evidence Source archived Blend
Test date
2026-06-24
Testing lab
Freedom Diagnostics
Batch / lot
070396
Quantity
12.57 mg
label 10mg · tested 12.57 mg
Endotoxins
Assay method
HPLC + MS
Label dose
10mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.94% ranks higher than 86% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-06-24 by Freedom Diagnostics via HPLC + MS. This test is newer than 95% of our catalogued Retatrutide certificates.

Zlz Peptide has 269 certificates in our corpus, including 97 for Retatrutide at a median tested purity of 99.84%.

Manufacturer
Zlz 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
10mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:f70e852825f33d55… — immutable copy held by TitrateLab

Download the saved PDF (sha256 f70e852825f3…)
Related

Other Retatrutide certificates

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