All Retatrutide Certificate of Analysis results— 9827 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 +23.9% Over the labeled dose
Evidence Asserted only Trust: medium
AI summary Third-party lab

Peptide Test reported 99.748% purity for this Retatrutide batch (TK ; Retatrutide 50MG Green Cap, Samples RA & RB, Batch 1250, MFG 2025-09-12/50). The tested quantity was 61.96mg, a significant deviation of +23.92% from the 50mg label. Endotoxin status and test method are unknown. The test is recent (under 3 months) and a verification URL is available.

Watch out for
  • no endotoxin test
  • significant quantity deviation
  • unknown test method
Test date
2026-03-30
Testing lab
Peptide Test
Batch / lot
TK ; Retatrutide 50MG Green Cap, Samples RA & RB, Batch 1250, MFG 2025-09-12/50
Quantity
61.96mg
label 50mg · tested 61.96mg
Endotoxins
Assay method
Context

How this result compares

This Retatrutide certificate's tested purity of 99.75% ranks higher than 35% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-03-30 by Peptide Test. This test is newer than 63% 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

Asserted only
No verifiable evidence captured. This entry was added to our corpus from Third-party community lab. We did not save the certificate image, did not hash an artifact, and the upstream URL is either a domain root or absent — we cannot independently confirm this report existed. Treat as curator-asserted only.
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 →