This independent HPLC lab test with UV detection coupled to mass spectrometry confirms Retatrutide 66.45mg from Instant Peptides at 99.92% purity. The analysis was conducted by Freedom Diagnostics Testing on January 19, 2026.
Retatrutide is a triple GIP/GLP-1/GCG receptor agonist researched for metabolic regulation, weight management, and glycemic control. A purity level of 99.92% indicates exceptional product quality with minimal contamination and consistent synthesis.
The sample appeared as a white lyophilized powder in a blue-capped vial. The full certificate of analysis (COA: 2601160007) is available for download on this page.

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