All Retatrutide Certificate of Analysis results— 9828 COAs
TitrateLab · Certificate of Analysis

Retatrutide 99.4% Purity — GYCCertificate of Analysis · Independent third-party lab result

Tested purity 99.4% High purity · 99.401%; 99.233%; 99.325%.
Dose vs label +18.8% Over the labeled dose
Evidence Artifact captured Trust: low
AI summary Third-party lab

This COA was tested by an independent third-party lab, Janoshik. However, the report lacks specific details for purity, quantity, and endotoxin status, and the batch ID is unknown. The test recency is also unknown. While a verification URL is available, the absence of key data points limits the utility of this COA.

Watch out for
  • no purity data
  • no quantity data
  • no endotoxin test
Test date
2025-05-06
Testing lab
Janoshik
Batch / lot
Quantity
35.64 mg; 33.45 mg; 35.48 mg.
label 30mg · tested 35.64 mg; 33.45 mg; 35.48 mg.
Endotoxins
Assay method
Label dose
30mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.40% ranks higher than 11% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-05-06 by Janoshik. This test is newer than 4% 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
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Janoshik (public)

Artifact captured

We have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.

Verify on the upstream lab
Dose
30mg
Catalogued
2026-04-22
Artifact hash
68ab6b50a11d2510…
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 →