FAQ

Retatrutide: common questions

Answers based on the published phase 2 and phase 3 TRIUMPH evidence, with sources. Content review 2026-10-11.

Educational only — not medical advice, and not a recommendation to use any medication. Retatrutide is investigational and not FDA-approved. Full data and citations: Retatrutide study page.

More detail: study data · calculator · trial tracker

Retatrutide: common questions

What is retatrutide?

What did the phase 2 trial show?

What is the TRIUMPH program?

What did TRIUMPH-1 show?

Why do the trial durations differ (48, 68, 72, 80 weeks)?

What side effects were reported?

Is retatrutide better than semaglutide or tirzepatide?

When will retatrutide be approved?

Where does this site's data come from?