HomeLab Tests Crush Research Supply, Tirzepatide
Purity · passBatch · CRTZ-30-0126-01Shop-provided sample

Tirzepatide × Crush Research Supply — Lab Test, January 2026

Tested · submitted by @Frank 👑 Legend
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
99.58%
Excellent purity only
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Test results

8 data points
Purity
99.58%
Endotoxins
≤ 0.05 EU/mL
Heavy metals
Not tested
Stated qty
30 mg
Tested qty
32.41 mg
Qty match
108% of labeled · +8%
0label125%
Batch / Lot
CRTZ-30-0126-01
Container
Two vials with dark purple/magenta caps (Crush Research Supply branded)
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

Independent HPLC purity analysis of GLP-2 TZ from crushresearch.shop, performed by freedomdiagnosticstesting.com on January 8, 2026. Reported purity: 99.58%. Net content: 32.41 mg against 30 mg labeled (108% of label). Endotoxins: ≤ 0.05 EU/mL. Batch CRTZ-30-0126-01. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC certificate of analysis for GLP-2 TZ 30mg from Crush Research showing 99.58% purity with mass spectrometry confirmation
Issued by freedomdiagnosticstesting.com · Jan 08, 2026 · Batch CRTZ-30-0126-01

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The 833 other Tirzepatide tests on Peptigrity range from 98.00% to 100.00%. This one sits at 99.58%.

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