Retatrutide × Certified Peptides - Lab Test, February 2026
Test results
About this test
This independent HPLC-UV/VIS lab test confirms Retatrutide 40mg from Certified Peptides at >99.80% purity with an actual assay of 40.17 mg. The analysis was performed by Vanguard Laboratory and reported on February 24, 2026, under Lot Number 251228RT303.
Retatrutide is a triple agonist peptide targeting GIP, GLP-1, and glucagon receptors, researched for its role in weight management, glycemic control, and metabolic regulation. Additional testing confirmed endotoxin levels below 5.00 EU/mg (LAL method), sterility with no growth detected (USP <71>), and non-detectable levels of heavy metals including chromium, arsenic, cadmium, lead, and mercury via ICP-MS.
The full certificate of analysis is available for download on this page.
Certificate of analysis
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