All Retatrutide Certificate of Analysis results(10,468 COAs)
TitrateLab · Certificate of Analysis

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

Tested purity 99.9% High purity
Dose vs label +5.7% Over the labeled dose
Evidence URL referenced Trust: medium
AI summary Third-party lab

This COA was tested by Janoshik, an independent third-party lab. The retatrutide batch (202501230) showed 99.859% purity. The tested quantity was 31.7mg against a 30mg label, a deviation of +5.67%. Endotoxin status is unknown. The test is recent (3-6 months old), and customers can verify it on the lab's public URL.

Watch out for
  • no endotoxin test
  • unknown test method
Test date
2026-01-07
Testing lab
Janoshik
Batch / lot
202501230
Quantity
31.7mg
label 30mg · tested 31.7mg
Endotoxins
Assay method
Context

How this result compares

This Retatrutide certificate's tested purity of 99.86% ranks higher than 55% of the 10463 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-01-07 by Janoshik. This test is newer than 36% of our catalogued Retatrutide certificates.

GYC has 284 certificates in our corpus, including 78 for Retatrutide at a median tested purity of 99.73%.

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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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 →