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

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

Tested purity 99.9% High purity
Dose vs label +0.2% Essentially at label
Evidence URL referenced Trust: medium
AI summary Third-party lab

Janoshik tested this tirzepatide batch (ZE90-1030) at 99.898% purity. Quantity matched the label within 1% (105.25mg tested vs 105mg label). The test is recent (3-6 months old). However, the test method and endotoxin status are not specified. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • vague purity language
Test date
2025-12-03
Testing lab
Janoshik
Batch / lot
ZE90-1030
Quantity
105.25mg
label 105mg · tested 105.25mg
Endotoxins
Assay method
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.90% ranks higher than 69% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-12-03 by Janoshik. This test is newer than 44% of our catalogued Tirzepatide certificates.

Uther Peptide has 524 certificates in our corpus, including 65 for Tirzepatide at a median tested purity of 99.85%.

Manufacturer
Uther Peptide
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
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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 →