Janoshik Labs publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.
This independent HPLC lab test confirms Retatrutide 30mg from Peptide Hackers at 99.469% purity. The analysis was conducted by Janoshik Labs on January 26, 2026.
Retatrutide is a triple GIP/GLP-1/glucagon receptor agonist researched for metabolic regulation, weight management, and glycemic control. A purity level of 99.469% indicates high-grade synthesis with minimal contamination.
The full certificate of analysis is available for download on this page
Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.