Retatrutide

What it is

A triple receptor agonist (GIP, GLP-1, and glucagon) under clinical investigation, not yet approved.

Used for

Studied for weight management; data is early. Often discussed for its strong appetite effect.

Half-life

~6 days (once-weekly dosing)

Handling

Refrigerate after reconstitution; handle gently.

Watch for

Investigational — long-term safety data is limited.