This independent lab analysis confirms Retatrutide 20mg from Growth Guys at 99.261% purity. The test was conducted by Janoshik Labs on October 8, 2025, with a tested quantity of 22.19mg across multiple vials (22.19mg, 21.98mg, 22.41mg).
Retatrutide is a triple GIP/GLP-1/glucagon receptor agonist researched for its potential role in metabolic regulation, weight management, and glycemic control. A purity level of 99.261% indicates high-grade synthesis with minimal impurities.
The full certificate of analysis is available for verification at www.janoshik.com/verify/ using the unique key VEITWYLFZA6F.
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