This independent HPLC lab test confirms GLP-2 TZ 30mg from Crush Research Supply at 99.90% purity. The analysis was conducted by Freedom Diagnostics Testing on November 6, 2025 using HPLC with UV detection coupled with mass spectrometry.
GLP-2 TZ (also known as Tirzepatide) is a dual GIP/GLP-1 receptor agonist researched for its role in metabolic regulation, weight management, and glycemic control. A purity level of 99.90% indicates minimal contamination and high-grade synthesis. Endotoxin levels tested at ≤0.05 EU/mL, meeting safety specifications.
The full certificate of analysis is available for download on this page.

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