Retatrutide × NextGen Peptides - Lab Test, January 2026
Test results
About this test
Retatrutide 20mg from NextGen Peptides achieves 99.772% purity according to this independent HPLC analysis conducted by Janoshik Labs on January 26, 2026. The tested quantity was 22.54mg, exceeding the stated label amount of 20mg.
Retatrutide is a triple GIP/GLP-1/glucagon receptor agonist researched for metabolic regulation, weight management, and glycemic control. A purity level of 99.772% demonstrates pharmaceutical-grade synthesis with minimal contamination and high product consistency.
The certificate of analysis (Task #102684) is available for verification at www.janoshik.com/verify/ with the unique key U4ZJEAQH5HW. The test includes assessment of the peptide vial or vials.
Certificate of analysis
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