All Retatrutide Certificate of Analysis results— 9812 COAs
TitrateLab · Certificate of Analysis

Retatrutide 99.6% Purity — GYCCertificate of Analysis · Independent third-party lab result

Tested purity 99.6% High purity · 99.686%; 99.646%; 99.625%.
Dose vs label 49.49 mg; 49.14 mg; 49.52 mg. Label 50mg · tested 49.49 mg; 49.14 mg; 49.52 mg.
Evidence Artifact captured
AI summary

Retatrutide batch [PHONE_REDACTED] verified at 99.625% purity by Janoshik (avg 49.38 mg content). Triple-replicate analysis confirms high consistency; blind tested against Semaglutide and Tirzepatide reference standards.

Test date
2026-05-04
Testing lab
G
Batch / lot
[PHONE_REDACTED]
Quantity
49.49 mg; 49.14 mg; 49.52 mg.
label 50mg · tested 49.49 mg; 49.14 mg; 49.52 mg.
Endotoxins
Assay method
Label dose
50mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.62% ranks higher than 22% of the 9807 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-05-04 by G. This test is newer than 72% 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
50mg
Catalogued
2026-07-19
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 #153716
Testing ordered > 30 APR '26
Sample received > 30 APR '26
Client G
Sample RT-50(Green cap)
[NAME_REDACTED] [PHONE_REDACTED]
Sample description >
See picture or pictures attached.
Tests requested >
[NAME_REDACTED] peptide blind test (Semaglutide, Tirzepatide and Retatrutide)
Results >
[QR code]
Retatrutide 49.49 mg; 49.14 mg; 49.52 mg.
Purity 99.686%; 99.646%; 99.625%.
Comments >
Analysis conducted > 04 MAY 2026
Signature > [Signature]
Verify this test at www.janoshik.com/verify/ with the following unique key
95KTE678X7R2
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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 →