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 · 99.854%; 99.876%; 99.882%.
Dose vs label 42.99 mg; 43.61 mg; 43.00 mg. Label 40mg · tested 42.99 mg; 43.61 mg; 43.00 mg.
Evidence Artifact captured Trust: low
AI summary Third-party lab

This COA was tested by an independent third-party lab, Janoshik. However, the report is incomplete, lacking purity, quantity, and endotoxin results. The test date and batch ID are also unknown. 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 test
Test date
2025-02-20
Testing lab
Janoshik
Batch / lot
Quantity
42.99 mg; 43.61 mg; 43.00 mg.
label 40mg · tested 42.99 mg; 43.61 mg; 43.00 mg.
Endotoxins
Assay method
Label dose
40mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.85% ranks higher than 57% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-02-20 by Janoshik. This test is newer than 8% 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
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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
40mg
Catalogued
2026-04-22
Artifact hash
bf5831c1c28e5c5d…
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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 →