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Purity · passShop-provided sample

Tirzepatide — lab test, January 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
99.75%
Excellent purity only
BrandShop withheld
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Independent verification available

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Test results

8 data points
Purity
99.75%
Endotoxins
≤0.85 EU/mL (Pass)
Heavy metals
Not tested
Stated qty
20 mg
Tested qty
25.93 mg
Qty match
130% of labeled · +30%
Batch / Lot
2026-0231-A
Container
White Lyophilized Powder
Tested by

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 20 mg · Lab measured 25.93 mg

130% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 6.5 mg using the measured mass, against 5 mg on the label — 30% 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 GLP TZ, performed by freedomdiagnosticstesting.com on January 26, 2026. Reported purity: 99.75%. Net content: 25.93 mg against 20 mg labeled (130% of label). Tested content exceeds the labeled amount by 30%. Endotoxins: ≤0.85 EU/mL (Pass). Batch 2026-0231-A. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by freedomdiagnosticstesting.com · Jan 26, 2026 · Batch 2026-0231-A

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The 1010 other Tirzepatide tests on Peptigrity range from 98.00% to 100.00%. This one sits at 99.75%.

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