This independent HPLC-MS lab test confirms GLP-TZ (Tirzepatide) 60mg from IonPeptide at 99.966% purity. The analysis was conducted by Freedom Diagnostics on November 16, 2025, using HPLC with UV detection coupled to mass spectrometry.
Net peptide content measured 58.89mg with a purity level of 99.966%, indicating pharmaceutical-grade synthesis with exceptional purity. GLP-TZ is a dual GIP/GLP-1 receptor agonist researched for metabolic regulation and weight management. The sample arrived as a white lyophilized powder with accession number 2511140046.
The full certificate of analysis is available for download on this page.

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