TitrateLab · Certificate of Analysis

Tirzepatide 100.0% Purity — Instant PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 100.0% High purity · 99.964%
Dose vs label +8.9% Over the labeled dose
Evidence URL referenced
Test date
2025-12-02
Testing lab
Freedom Diagnostics
Batch / lot
2025-0231-B
Quantity
21.79 mg
label 20mg · tested 21.79 mg
Endotoxins
Assay method
HPLC + MS
Label dose
20mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.96% ranks higher than 96% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-12-02 by Freedom Diagnostics via HPLC + MS. This test is newer than 44% of our catalogued Tirzepatide certificates.

Instant Peptides has 119 certificates in our corpus, including 14 for Tirzepatide at a median tested purity of 99.93%.

Manufacturer
Instant Peptides
View vendor profile
Source

freedom_diagnostic

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.

Method
HPLC + MS
Test type
freedom_composite
Dose
20mg
Catalogued
2026-07-04
Related

Other Tirzepatide certificates

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