Tirzepatide 100.0% Purity — Peptide SourceCertificate of Analysis · Independent third-party lab result

Name: Tirzepatide COA — Peptide Source (100% purity)
Creator: Freedom Diagnostics
License: https://titratelab.com/terms

Tested purity 100.0% High purity · 99.983%

Dose vs label -1.4% Essentially at label

Evidence URL referenced

Test date: 2025-11-22
Testing lab: Freedom Diagnostics
Batch / lot: —
Quantity: 49.31 mg
Endotoxins: —
Assay method: HPLC + MS
Label dose: 50mg

Context

How this result compares

This Tirzepatide certificate's tested purity of 99.98% ranks higher than 99% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-11-22 by Freedom Diagnostics via HPLC + MS. This test is newer than 42% of our catalogued Tirzepatide certificates.

Peptide Source has 37 certificates in our corpus, including 4 for Tirzepatide at a median tested purity of 99.96%.

Manufacturer

Peptide Source

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: 50mg
Catalogued: 2026-07-04

Other Tirzepatide certificates

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