Retatrutide × IonPeptide - Lab Test, January 2026
Test results
About this test
This independent HPLC-MS lab test confirms GLP-3R (Retatrutide) 20mg from IonPeptide at 99.88% average purity. The analysis was conducted by Freedom Diagnostics on January 24, 2026, using HPLC with UV detection coupled to mass spectrometry.
Testing across two vials demonstrated net peptide content of 19.14mg (Vial 1) and 19.46mg (Vial 2) with purity of 99.84% and 99.92% respectively, confirming batch consistency. Endotoxin analysis passed at ≤0.05 EU/mL for both replicates. 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 with accession number 2601220076.
The full certificate of analysis is available for download on this page.
Certificate of analysis
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