Tirzepatide — lab test, May 2026

Name: Tirzepatide Purity Analysis -
Creator: Kovera Labs
Published: 2026-05-20
License: https://creativecommons.org/licenses/by/4.0/

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Tested Wednesday, May 20, 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

99.538%

✓ Excellent purity only

PeptideTirzepatide

BrandShop withheld

LabKovera Labs

↓ Download COA

Independently confirmed on the lab’s portal✓ Extra check

COA KVR-2026-36BB9D matches Kovera Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeV8MXDDR

Look it up on Kovera Labs ↗Checked May 20, 2026

Test results

9 data points

Purity

99.538%

Endotoxins

PASS (≤0.5 EU/mL); Fentanyl Presence Analysis: Not Detected

Heavy metals

Arsenic, Cadmium, Lead, Mercury — all Negative

Stated qty

30 mg

Tested qty

33.95 mg

Qty match

113% of labeled · +13%

Batch / Lot

TR30-0522

COA number

KVR-2026-36BB9D

Container

Lyophilized Powder / Lavender Cap / Silver Crimp

Tested by

Kovera LabsView profile →

About this test

What’s in the vial

Label 30 mg · Lab measured 33.95 mg

113% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 8.5 mg using the measured mass, against 7.5 mg on the label — 13% 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.

Verification trail

Report number	KVR-2026-36BB9D
Portal lookup	✓ Lab-verified
Checked	24 Aug 2026date taken from the record, not from a logged check
Checked by	Peptigrity staff, against the lab's portal
PDF vs portal	Kovera Labs's portal shows validity only
Weight	Counts as one lab test

Independent HPLC purity analysis of Tirzepatide, performed by Kovera Labs on May 20, 2026. Reported purity: 99.538%. Net content: 33.95 mg against 30 mg labeled (113% of label). Tested content exceeds the labeled amount by 13%. Endotoxins: PASS (≤0.5 EU/mL); Fentanyl Presence Analysis: Not Detected. Heavy metals: Arsenic, Cadmium, Lead, Mercury — all Negative. Batch TR30-0522. Sample source: shop-provided. Certificate of analysis attached.