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

Retatrutide 99.7% Purity — GYCCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity
Dose vs label +14.3% Over the labeled dose
Evidence URL referenced Trust: medium
AI summary Third-party lab

Janoshik tested this retatrutide batch (20250815 black cap silver crimp) at 99.738% purity. The tested quantity was 17.15mg, a significant deviation of +14.33% from the 15mg label. Endotoxin status and test method are unknown, and the test is older (6-12 months). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • stale (6-12 months)
  • significant quantity deviation
Test date
2025-10-11
Testing lab
Janoshik
Batch / lot
20250815 black cap silver crimp
Quantity
17.15mg
label 15mg · tested 17.15mg
Endotoxins
Assay method
Context

How this result compares

This Retatrutide certificate's tested purity of 99.74% ranks higher than 34% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-10-11 by Janoshik. This test is newer than 19% 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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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 →