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Purity · passShop-provided sample

Tirzepatide — lab test, December 2025

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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
99.273%
Excellent purity only
BrandShop withheld
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Independent verification available

Janoshik 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

6 data points
Purity
99.273%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
10.7 mg
Qty match
107% of labeled · +7%
Batch / Lot
EP-250605-TZ10
Tested by
Janoshik 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 10.7 mg

107% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.7 mg using the measured mass, against 2.5 mg on the label — 7% 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 Janoshik Labs on December 2, 2025. Reported purity: 99.273%. Net content: 10.7 mg against 10 mg labeled (107% of label). Batch EP-250605-TZ10. Sample source: shop-provided.

Certificate of analysis

Original document
JANOSHIK LABS · HPLC-UV/MSLAB-EP-250605-TZ10
SAMPLE
Tirzepatide
BATCH
EP-250605-TZ10
CLIENT
Shop withheld
DATE
DEC 02, 2025
METHOD
HPLC-UV/MS
COL.
C18 2.7μm
◆ AREA % = 99.273RT = 5.42 min
ACCEPT · MEETS SPEC
Issued by Janoshik Labs · Dec 02, 2025 · Batch EP-250605-TZ10

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The 1010 other Tirzepatide tests on Peptigrity range from 98.00% to 100.00%. This one sits at 99.27%.

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