TitrateLab · Certificate of Analysis

Retatrutide 99.9% Purity — Research 1 PeptidesCertificate of Analysis · Independent third-party lab result

Name: Retatrutide COA — Research 1 Peptides (99.9% purity)
Creator: Freedom Diagnostics
License: https://titratelab.com/terms

Tested purity 99.9% High purity · 99.89%

Dose vs label -3.4% Essentially at label

Evidence URL referenced Blend

Test date: 2026-05-05
Testing lab: Freedom Diagnostics
Batch / lot: Research 1 Peptides
Quantity: 19.33 mg
Endotoxins: —
Assay method: HPLC + MS
Label dose: 20mg

Context

How this result compares

This Retatrutide certificate's tested purity of 99.89% ranks higher than 63% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-05-05 by Freedom Diagnostics via HPLC + MS. This test is newer than 73% of our catalogued Retatrutide certificates.

Research 1 Peptides has 222 certificates in our corpus, including 29 for Retatrutide at a median tested purity of 99.91%.

Manufacturer

Research 1 Peptides

View vendor profile

Source

freedom_diagnostic

URL referenced

This entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.

Method: HPLC + MS
Test type: freedom_composite
Dose: 20mg
Catalogued: 2026-07-04

Other Retatrutide certificates

This certificate is part of TitrateLab's community-trust corpus. See more from Research 1 Peptides or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →