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

Tirzepatide 99.6% Purity — TciCertificate of Analysis · Independent third-party lab result

Tested purity 99.6% High purity
Dose vs label +8.7% Over the labeled dose
Evidence Asserted only Trust: medium
AI summary Third-party lab

This COA was tested by an independent third-party lab, Peptide Test. The report shows 99.591% purity for Tirzepatide batch TZ 40mg 1 vial. The tested quantity was 43.47mg, an 8.67% deviation from the 40mg label. Endotoxin status and test method are unknown, and the test is stale (over 1 year old).

Watch out for
  • stale (1+ years old)
  • no endotoxin test
  • vague purity language
Test date
2024-12-06
Testing lab
Peptide Test
Batch / lot
TZ 40mg 1 vial
Quantity
43.47mg
label 40mg · tested 43.47mg
Endotoxins
Assay method
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.59% ranks higher than 17% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2024-12-06 by Peptide Test. This test is newer than 4% of our catalogued Tirzepatide certificates.

Tci has 20 certificates in our corpus, including 6 for Tirzepatide at a median tested purity of 99.66%.

Manufacturer
Tci
View vendor profile
Source

Third-party community lab

Asserted only
No verifiable evidence captured. This entry was added to our corpus from Third-party community lab. We did not save the certificate image, did not hash an artifact, and the upstream URL is either a domain root or absent — we cannot independently confirm this report existed. Treat as curator-asserted only.
Catalogued
2026-04-24
Related

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