Retatrutide × IonPeptide - Lab Test, February 2026
Test results
About this test
This independent UV-Vis spectrophotometry lab test confirms GLP-RT (Retatrutide) 20mg from IonPeptide at 99.8% purity (Vial A). The analysis was conducted by Analytical Formulations, Inc. on February 1, 2026, using Beer-Lambert quantitative assay methodology.
Duplicate vials tested showed quantitative assay results of 22.11mg (Vial A) and 23.37mg (Vial B) with purity of 99.8% and 99.9% respectively, confirming batch consistency. Heavy metals analysis passed at <20ppb combined metals. Microbial analysis passed with 0 CFU/ml TAMC and 0 CFU/ml TYMC. GLP-RT is a triple GIP/GLP-1/glucagon receptor agonist researched for metabolic regulation and weight management. The sample arrived as a white lyophilized powder in 3ml clear glass vials with black cap and silver crimp.
The full certificate of analysis is available for download on this page.
Certificate of analysis
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