This independent HPLC lab test with UV detection coupled to mass spectrometry confirms Tirzepatide 13.13mg from Instant Peptides at 99.967% purity. The analysis was conducted by Freedom Diagnostics Testing on September 28, 2025.
Tirzepatide is a dual GIP/GLP-1 receptor agonist researched for metabolic regulation, weight management, and glycemic control. A purity level of 99.967% indicates exceptional product quality with minimal contamination and consistent synthesis.
The sample appeared as a white lyophilized powder. The full certificate of analysis (COA: 2509260038) is available for download on this page.

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