TitrateLab · Certificate of Analysis

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

Tested purity 99.9% High purity · 99.88%
Dose vs label +44.4% Over the labeled dose
Evidence Source archived Blend
Test date
2026-02-25
Testing lab
Freedom Diagnostics
Batch / lot
RT20-0226
Quantity
28.87 mg
label 20mg · tested 28.87 mg
Endotoxins
Assay method
HPLC + MS
Label dose
20mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.88% ranks higher than 61% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-02-25 by Freedom Diagnostics via HPLC + MS. This test is newer than 56% of our catalogued Retatrutide certificates.

NG Peptide has 14 certificates in our corpus, including 6 for Retatrutide at a median tested purity of 99.79%.

Manufacturer
NG 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
20mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:30a08897a3f0f1b5… — immutable copy held by TitrateLab

Download the saved PDF (sha256 30a08897a3f0…)
Related

Other Retatrutide certificates

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