All Retatrutide Certificate of Analysis results(10,452 COAs)
TitrateLab · Certificate of Analysis

Retatrutide 99.5% Purity — Peptide LabCertificate of Analysis · Independent third-party lab result

Tested purity 99.5% High purity · 99.54%
Dose vs label +5.2% Over the labeled dose
Evidence URL referenced
Test date
2026-02-20
Testing lab
Janoshik
Batch / lot
Quantity
10.52mg
label 10mg · tested 10.52mg
Endotoxins
Assay method
Common GLP-1 peptide blind test (Semaglutide, Tirzepatide and Retatrutide)
Label dose
10mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.54% ranks higher than 16% of the 10447 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-02-20 by Janoshik via Common GLP-1 peptide blind test (Semaglutide, Tirzepatide and Retatrutide). This test is newer than 51% of our catalogued Retatrutide certificates.

Peptide Lab has 14 certificates in our corpus, including 2 for Retatrutide at a median tested purity of 99.74%.

Manufacturer
Peptide Lab
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Source

Janoshik (public)

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.

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Method
Common GLP-1 peptide blind test (Semaglutide, Tirzepatide and Retatrutide)
Dose
10mg
Catalogued
2026-06-18
OCR text Raw extracted text

Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display.

Retatrutide: 10.52 mg; Purity: 99.540%
Related

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