All Retatrutide Certificate of Analysis results— 9814 COAs
TitrateLab · Certificate of Analysis

Retatrutide 99.3% Purity — GYCCertificate of Analysis · Independent third-party lab result

Tested purity 99.3% High purity · 99.266%; 99.337%
Dose vs label +11.6% Over the labeled dose
Evidence Artifact captured
AI summary

Retatrutide batch [PHONE_REDACTED] confirms 99.27% purity via HPLC; 11.6% quantity overfill detected. Blind test validated compound identity.

Test date
2026-04-27
Testing lab
G
Batch / lot
[PHONE_REDACTED]
Quantity
11.16 mg
label 10mg · tested 11.16 mg
Endotoxins
Assay method
Label dose
10mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.27% ranks higher than 8% of the 9809 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-04-27 by G. This test is newer than 70% of our catalogued Retatrutide certificates.

GYC has 281 certificates in our corpus, including 76 for Retatrutide at a median tested purity of 99.73%.

Manufacturer
GYC
View vendor profile
Peptides on this report
Retatrutide Semaglutide Tirzepatide
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Community submission

Artifact captured

Submitted by distilled-oryx-12 +459

We have the certificate image — you can verify it loads from the upstream lab and matches the artifact shown here.

Dose
10mg
Catalogued
2026-07-10
OCR text Raw extracted text

Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display.

TEST REPORT
JANOSHIK
E-mail: [EMAIL_REDACTED]
Web: www.janoshik.com
Task Number #150000
Testing ordered > 20 APR '26
Sample received > 20 APR '26
Client G
Sample RT-10(White cap)
[NAME_REDACTED] [PHONE_REDACTED]
Sample description >
See picture or pictures attached.
Tests requested >
[NAME_REDACTED] peptide blind test (Semaglutide, Tirzepatide and Retatrutide)
Results >
Retatrutide 11.16 mg; 11.10 mg.
Purity 99.266%; 99.337%.
Comments >
Analysis conducted > 27 APR 2026
Signature >
Verify this test at www.janoshik.com/verify/ with the following unique key
EEJGIIW2UC7P
Related

Other Retatrutide certificates

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 →