✓ Purity · pass✓ Lab-verifiedShop-provided sample

Tirzepatide — lab test, August 2026

Name: Tirzepatide Purity Analysis -
Creator: Janoshik Labs
Published: 2026-08-31
License: https://creativecommons.org/licenses/by/4.0/

Tested Monday, August 31, 2026 · submitted by Peptigrity Team Member 01PEPTIGRITY TEAM

Filed by Peptigrity Team Member 01 · Oct 08, 2026

Sample source: shop-provided. The shop chose and sent this vial. The Trust Score counts it like any other published test; who sourced the vial is shown so you can weigh it yourself.How we weigh evidence →

HPLC Purity

99.789%

✓ Excellent purity only

PeptideTirzepatide

BrandShop withheld

LabJanoshik Labs

↓ Download COA

Independently confirmed on the lab’s portal✓ Extra check

COA 220477 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup code2VEFEQJWSJAC

Look it up on Janoshik Labs ↗Checked Aug 31, 2026

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Test results

7 data points

Purity

99.789%

Endotoxins

1.388 EU/Vial

Heavy metals

As, Cd, Pb, Hg: not detected

Stated qty

40 mg

Tested qty

42.49 mg

Qty match

106% of labeled · +6%

Batch / Lot

N/A

COA number

220477

Tested by

Janoshik LabsView profile →

About this test

What’s in the vial

Label 40 mg · Lab measured 42.49 mg

106% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 10.6 mg using the measured mass, against 10 mg on the label — 6% 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	220477
Portal lookup	✓ Lab-verified
PDF vs portal	Janoshik Labs's portal shows validity only
Weight	Counts as one lab test

Independent HPLC purity analysis of Tirzepatide, performed by Janoshik Labs on August 31, 2026. Reported purity: 99.789%. Net content: 42.49 mg against 40 mg labeled (106% of label). Endotoxins: 1.388 EU/Vial. Heavy metals: As, Cd, Pb, Hg: not detected. Sample source: shop-provided. Certificate of analysis attached.