Retatrutide × IonPeptide - Lab Test, February 2026
Test results
About this test
This independent UV-Vis spectrophotometry lab test confirms GLP-3R (Retatrutide) 50mg from IonPeptide at 99.8% purity (Vial A). The analysis was conducted by Analytical Formulations, Inc. on February 28, 2026, using Beer-Lambert quantitative assay methodology.
Duplicate vials tested showed quantitative assay results of 57.14mg (Vial A) and 57.54mg (Vial B) with purity of 99.8% respectively, confirming batch consistency. Heavy metals analysis passed at <10ppb combined metals. Microbial analysis passed with 0 CFU/ml TAMC and 0 CFU/ml TYMC. GLP-3R 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 baby blue cap and silver crimp.
The full certificate of analysis is available for download on this page.
Certificate of analysis
Have you tested this peptide?
Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.