Tirzepatide — lab test, June 2026

Name: Tirzepatide Purity Analysis -
Creator: ILS Laboratories
Published: 2026-06-26
License: https://creativecommons.org/licenses/by/4.0/

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Tested Friday, June 26, 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

99.67%

✓ Excellent purity only

PeptideTirzepatide

BrandShop withheld

LabILS Laboratories

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Test results

8 data points

Purity

99.67%

Endotoxins

< 0.5 EU/mL

Heavy metals

ICP-MS per USP 233: all elements below limit (Pass)

Stated qty

60 mg

Tested qty

61.84 mg

Qty match

103% of labeled · +3%

Batch / Lot

TZ82-0726

Tested by

ILS LaboratoriesView profile →

About this test

What’s in the vial

Label 60 mg · Lab measured 61.84 mg

103% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 15.5 mg using the measured mass, against 15 mg on the label — 3% more.

One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.

Independent HPLC purity analysis of Tirzepatide, performed by ILS Laboratories on June 26, 2026. Reported purity: 99.67%. Net content: 61.84 mg against 60 mg labeled (103% of label). Endotoxins: < 0.5 EU/mL. Heavy metals: ICP-MS per USP 233: all elements below limit (Pass). Batch TZ82-0726. Sample source: shop-provided. Certificate of analysis attached.