Tirzepatide — lab test, February 2026

Name: Tirzepatide Purity Analysis -
Creator: MZ Biolabs
Published: 2026-02-25
License: https://creativecommons.org/licenses/by/4.0/

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Tested Wednesday, February 25, 2026 · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM

Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →

HPLC Purity

99.99%

✓ Excellent purity only

PeptideTirzepatide

BrandShop withheld

LabMZ Biolabs

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Test results

4 data points

Purity

99.99%

Endotoxins

Not tested

Heavy metals

Not tested

Stated qty

10 mg

Tested qty

Not provided

Batch / Lot

2026-02-09

Tested by

MZ BiolabsView profile →

This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.

About this test

Independent HPLC purity analysis of Tirzepatide, performed by MZ Biolabs on February 25, 2026. Reported purity: 99.99%. Batch 2026-02-09. Sample source: shop-provided. Certificate of analysis attached.