Tirzepatide × AS-TZ10 — Lab Test, July 2026

Name: Tirzepatide Purity Analysis - AS-TZ10
Creator: Kovera Labs
Published: 2026-07-09
License: https://creativecommons.org/licenses/by/4.0/

Tested Thursday, July 09, 2026 · submitted by @Frank 👑 Legend

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

99.728%

✓ Excellent purity only

PeptideTirzepatide

Brandascend.science peptides

LabKovera Labs

↓ Download COA

Independently confirmed on the lab’s portal✓ Extra check

COA KVR-2026-09E337 matches Kovera Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup code82YJN33

Look it up on Kovera Labs ↗Checked Jul 9, 2026

Test results

8 data points

Purity

99.728%

Endotoxins

Not tested

Heavy metals

Arsenic (As): Negative, Cadmium (Cd): Negative, Lead (Pb): Negative, Mercury (hg): Negative

Stated qty

10 mg

Tested qty

10.29 mg

Qty match

103% of labeled · +3%

0label125%

Batch / Lot

C223424264068

COA number

KVR-2026-09E337

Container

White vial, Silver crimp, Lyophilized powder

Tested by

Kovera LabsView 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 from ascend.science peptides, performed by Kovera Labs on July 9, 2026. Reported purity: 99.728%. Net content: 10.29 mg against 10 mg labeled (103% of label). Heavy metals: Arsenic (As): Negative, Cadmium (Cd): Negative, Lead (Pb): Negative, Mercury (hg): Negative. Batch C223424264068. Sample source: shop-provided. Certificate of analysis attached.