All Tirzepatide Certificate of Analysis results— 7380 COAs
TitrateLab · Certificate of Analysis

Tirzepatide 99.9% Purity — GYCCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.886%; 99.762%; 99.789%.
Dose vs label +9.6% Over the labeled dose
Evidence Artifact captured Trust: low
AI summary Third-party lab

This COA was tested by Janoshik, an independent third-party lab. However, the report is incomplete, lacking purity, quantity, and endotoxin results, as well as a test date and batch ID. While a verification URL is available, the absence of key data points makes it difficult to assess the product.

Watch out for
  • no purity test
  • no endotoxin test
  • no quantity data
Test date
2025-03-25
Testing lab
Janoshik
Batch / lot
Quantity
21.91 mg
label 20mg · tested 21.91 mg
Endotoxins
Assay method
Label dose
20mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.89% ranks higher than 66% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-03-25 by Janoshik. This test is newer than 11% of our catalogued Tirzepatide certificates.

GYC has 282 certificates in our corpus, including 96 for Tirzepatide at a median tested purity of 99.84%.

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.

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Dose
20mg
Catalogued
2026-04-22
Artifact hash
547430231a4bcc34…
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 →