All Tirzepatide Certificate of Analysis results(7,697 COAs)
TitrateLab · Certificate of Analysis

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

Tested purity 99.9% High purity · 99.9%
Dose vs label +9.0% Over the labeled dose
Evidence Artifact captured
Test date
2026-05-06
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
10.9mg
label 10mg · tested 10.9mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
6.8
Label dose
10mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.90% ranks higher than 73% of the 7694 Tirzepatide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-05-06 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 78% of our catalogued Tirzepatide certificates.

Zlz Peptide has 280 certificates in our corpus, including 96 for Tirzepatide at a median tested purity of 99.80%.

Manufacturer
Zlz Peptide
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Finnrick

Artifact captured

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
10mg
Container
No Label / Silver Crimp / Yellow Cap
Catalogued
2026-05-20
Artifact hash
f84cedabf5a2dd4d…
Saved source

Saved source document

sha256:c34015bfe4d1c994… — immutable copy held by TitrateLab

Related

Other Tirzepatide certificates

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