Tirzepatide × Unknown Brand — Lab Test, January 2026

Name: Tirzepatide Purity Analysis - Unknown Brand
Creator: Krause Analytical
Published: 2026-01-19
License: https://creativecommons.org/licenses/by/4.0/

Tested Monday, January 19, 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

99.66%

✓ Excellent purity only

PeptideTirzepatide

BrandUnknown Brand

LabKrause Analytical

↓ Download COA

Independently confirmed on the lab’s portal✓ Extra check

COA 132579 matches Krause Analytical's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codege4cj34

Look it up on Krause Analytical ↗Checked Jan 19, 2026

Test results

8 data points

Purity

99.66%

Endotoxins

<0.5 EU/mL

Heavy metals

Arsenic ND, Cadmium ND, Lead ND, Mercury ND

Stated qty

20 mg

Tested qty

20.8 mg

Qty match

104% of labeled · +4%

0label125%

Batch / Lot

ge4cj34

COA number

132579

Tested by

Krause AnalyticalView profile →

About this test

Independent HPLC purity analysis of Tirzepatide from Unknown brand, performed by Krause Analytical on January 19, 2026. Reported purity: 99.66%. Net content: 20.8 mg against 20 mg labeled (104% of label). Endotoxins: <0.5 EU/mL. Heavy metals: Arsenic ND, Cadmium ND, Lead ND, Mercury ND. Batch ge4cj34. Sample source: shop-provided. Certificate of analysis attached.