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Purity · passShop-provided sample

Tirzepatide — lab test, April 2026

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Tested · 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
99.881%
Excellent purity only
BrandShop withheld
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Independent verification available

Kovera Labs publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.

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Test results

8 data points
Purity
99.881%
Endotoxins
PASS (≤0.5 EU/mL)
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
10.53 mg
Qty match
105% of labeled · +5%
Batch / Lot
TZ100326
Container
Lyophilized powder / White cap / Silver crimp
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

What’s in the vial

Label 10 mg · Lab measured 10.53 mg

105% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.6 mg using the measured mass, against 2.5 mg on the label — 5% 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 Kovera Labs on April 15, 2026. Reported purity: 99.881%. Net content: 10.53 mg against 10 mg labeled (105% of label). Endotoxins: PASS (≤0.5 EU/mL). Batch TZ100326. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Kovera Labs · Apr 15, 2026 · Batch TZ100326

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The 1010 other Tirzepatide tests on Peptigrity range from 98.00% to 100.00%. This one sits at 99.88%.

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