HomeLab Tests Crush Research Supply, Tirzepatide
Purity · passBatch · CRTZ-30-1025-01Shop-provided sample

Tirzepatide × Crush Research Supply — Lab Test, November 2025

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
99.9%
Excellent purity only
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Independent verification available

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Test results

8 data points
Purity
99.9%
Endotoxins
≤ 0.05 EU/mL
Heavy metals
Not tested
Stated qty
30 mg
Tested qty
34.95 mg
Qty match
117% of labeled · +17%
0label125%
Batch / Lot
CRTZ-30-1025-01
Container
Two vials with dark pink/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 November 6, 2025. Reported purity: 99.9%. Net content: 34.95 mg against 30 mg labeled (117% of label). Tested content exceeds the labeled amount by 17%. Endotoxins: ≤ 0.05 EU/mL. Batch CRTZ-30-1025-01. 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 99.90% purity with mass spectrometry confirmation
Issued by freedomdiagnosticstesting.com · Nov 06, 2025 · Batch CRTZ-30-1025-01

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The 833 other Tirzepatide tests on Peptigrity range from 98.00% to 100.00%. This one sits at 99.90%.

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