All Tirzepatide Certificate of Analysis results(7,680 COAs)
TitrateLab · Certificate of Analysis

Tirzepatide 99.8% Purity — Uther PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity
Dose vs label +10.8% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this tirzepatide batch ('black caps') at 99.799% purity. The tested quantity of 33.23mg showed a significant deviation of +10.77% from the 30mg label. Endotoxin status and test method are unknown. This test is stale (over 1 year old). Customers can cross-check on the lab's public verification URL.

Watch out for
  • stale (1+ years old)
  • no endotoxin test
  • unknown test method
Test date
2025-03-19
Testing lab
Janoshik
Batch / lot
black caps
Quantity
33.23mg
label 30mg · tested 33.23mg
Endotoxins
Assay method
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.80% ranks higher than 40% of the 7677 Tirzepatide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-03-19 by Janoshik. This test is newer than 9% of our catalogued Tirzepatide certificates.

Uther Peptide has 527 certificates in our corpus, including 66 for Tirzepatide at a median tested purity of 99.86%.

Manufacturer
Uther Peptide
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Third-party community lab

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.

Catalogued
2026-04-24
Artifact hash
962d77ce33d20caa…
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This certificate is part of TitrateLab's community-trust corpus. See more from Uther Peptide or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →