This independent HPLC with UV detection coupled with mass spectrometry lab test confirms Retatrutide/Glycine 20mg from Glacier Aminos at 99.97% purity. The analysis was conducted by Freedom Diagnostics Testing on October 8, 2025.
Retatrutide is a triple GIP/GLP-1/glucagon receptor agonist researched for its role in metabolic regulation, weight management, and glycemic control. This formulation includes glycine as a stabilizing agent. A purity level of 99.97% indicates exceptional synthesis quality with minimal contamination. Mass identification confirmed the compound as Retatrutide/Glycine.
The full certificate of analysis is available for download on this page.

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