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Purity · pass✓ Lab-verifiedShop-provided sample

Tirzepatide — lab test, February 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
99.74%
Excellent purity only
BrandShop withheld
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA 2602110085 matches freedomdiagnosticstesting.com's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codePept2602110085

Test results

8 data points
Purity
99.74%
Endotoxins
Pass (≤0.05 EU/mL)
Heavy metals
Not tested
Stated qty
120 mg
Tested qty
117.61 mg
Qty match
98% of labeled · -2%
Batch / Lot
GLP2-1265
COA number
2602110085
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 120 mg · Lab measured 117.61 mg

98% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 29.4 mg using the measured mass, against 30 mg on the label — 2% less.

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 number2602110085
Portal lookup✓ Lab-verified
Checked17 Aug 2026date taken from the record, not from a logged check
Checked byPeptigrity staff, against the lab's portal
PDF vs portalfreedomdiagnosticstesting.com's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of Tirzepatide, performed by freedomdiagnosticstesting.com on February 12, 2026. Reported purity: 99.74%. Net content: 117.61 mg against 120 mg labeled (98% of label). Endotoxins: Pass (≤0.05 EU/mL). Batch GLP2-1265. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by freedomdiagnosticstesting.com · Feb 12, 2026 · Batch GLP2-1265

Related lab tests

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The 1010 other Tirzepatide tests on Peptigrity range from 98.00% to 100.00%. This one sits at 99.74%.

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