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This independent HPLC lab test with UV detection and mass spectrometry analysis confirms Tirzepatide 15mg from Zen Aminos at 99.88% purity. The sample tested at 13.82mg net peptide content, meeting label specifications. The analysis was conducted by Freedom Diagnostics on May 30, 2026.
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 99.88% demonstrates minimal contamination and high-grade synthesis quality.
The full certificate of analysis is available for download on this page.

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