All Retatrutide Certificate of Analysis results— 9826 COAs
TitrateLab · Certificate of Analysis

Retatrutide 99.8% Purity — GYCCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity
Dose vs label +2.1% Essentially at label
Evidence URL referenced Trust: medium
AI summary Third-party lab

This COA was tested by an independent third-party lab, Janoshik. The Retatrutide batch (202501230) showed 99.843% purity, and the tested quantity was 30.63mg against a 30mg label (2.1% deviation). The test is recent (3-6 months old), and a verification URL is available, but endotoxin status and test method are not specified.

Watch out for
  • no endotoxin test
  • vague purity language
Test date
2026-01-07
Testing lab
Janoshik
Batch / lot
202501230
Quantity
30.63mg
label 30mg · tested 30.63mg
Endotoxins
Assay method
Context

How this result compares

This Retatrutide certificate's tested purity of 99.84% ranks higher than 53% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-01-07 by Janoshik. This test is newer than 38% of our catalogued Retatrutide certificates.

GYC has 282 certificates in our corpus, including 77 for Retatrutide at a median tested purity of 99.72%.

Manufacturer
GYC
View vendor profile
Source

Third-party community lab

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.

Catalogued
2026-04-24
Related

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