Independent & reader-supported — every article medically reviewed

Peptides / Incretin and metabolic peptides

Retatrutide RETA

A triple GLP-1, GIP and glucagon agonist showing the largest weight loss yet in trials.

Also known as LY3437943, triple agonist

Effects Lose fat
Routes Subcutaneous
Legal status Unapproved / investigational
WADA Not listed