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

Retatrutide 99.4% Purity — NextGen PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.4% High purity · 99.422%
Dose vs label +13.7% Over the labeled dose
Evidence Source archived
Test date
2025-01-01
Testing lab
Freedom Diagnostics
Batch / lot
RT128
Quantity
11.37 mg
label 10mg · tested 11.37 mg
Endotoxins
Assay method
HPLC + MS
Label dose
10mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.42% ranks higher than 12% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-01-01 by Freedom Diagnostics via HPLC + MS. This test is newer than 1% of our catalogued Retatrutide certificates.

NextGen Peptides has 76 certificates in our corpus, including 8 for Retatrutide at a median tested purity of 99.75%.

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

Saved source document

sha256:621c2dde982768e9… — immutable copy held by TitrateLab

Download the saved PDF (sha256 621c2dde9827…)
Related

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