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

Tirzepatide 99.8% Purity — Andy Peps StudioCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity
Dose vs label +13.5% Over the labeled dose
Evidence URL referenced Trust: medium
AI summary Third-party lab

This COA was tested by Janoshik, an independent third-party lab. The Tirzepatide batch 'black cap GZSZ' showed 99.774% purity. The tested quantity was 34.04mg against a 30mg label, a deviation of +13.47%. Endotoxin status is unknown. The test is older (6-12 months).

Watch out for
  • no endotoxin test
  • stale (8+ months)
  • quantity deviation (+13.47%)
Test date
2025-09-05
Testing lab
Janoshik
Batch / lot
black cap GZSZ
Quantity
34.04mg
label 30mg · tested 34.04mg
Endotoxins
Assay method
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.77% ranks higher than 37% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-09-05 by Janoshik. This test is newer than 27% of our catalogued Tirzepatide certificates.

Andy Peps Studio has 131 certificates in our corpus, including 45 for Tirzepatide at a median tested purity of 99.79%.

Manufacturer
Andy Peps Studio
View vendor profile
Source

Third-party community lab

URL referenced

This entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.

Catalogued
2026-04-24
Related

Other Tirzepatide certificates

All Tirzepatide results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from Andy Peps Studio or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →