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Live tracker · Updated September 17, 2026

Retatrutide.
Approved yet?

The strongest weight loss result ever reported in trials — and the most asked question in the niche. Here is the live status.

Rx
Approval status
Checked September 17, 2026
NOT APPROVEDInvestigational · phase 3 ongoing
Phase 2 complete, 24.2 percent mean loss
Phase 3 TRIUMPH enrolling and running
FDA submission
Approval
Live page — every change is logged below with a date

The short answer

No. Retatrutide is not FDA approved as of September 2026 and cannot be legally purchased anywhere. Phase 2 delivered 24.2 percent mean weight loss at 48 weeks — the strongest ever reported — and the phase 3 TRIUMPH program is running now. Every vial sold online today is an unregulated research chemical, whatever the seller claims.

When it could arrive

The honest sequence: phase 3 completes, the manufacturer files, the FDA reviews. That is measured in years, not months, and any site quoting an exact approval date is guessing. When a real milestone lands, it appears in the log below the same week.

What to do meanwhile

If the goal is weight loss now, tirzepatide and semaglutide are the approved medicines a physician can actually prescribe — the mechanism family is the same and the trial results are the two best on record after retatrutide itself.

See the approved options

What changed

September 17, 2026 — tracker launched
Status at launch: phase 3 TRIUMPH ongoing, no submission filed, no legal retail availability. Phase 2 results published: 24.2 percent mean weight loss at 48 weeks at the top dose. Gray-market vials remain unregulated research chemicals.

Questions people ask

Is retatrutide FDA approved?
No. It remains investigational as of September 2026. This page updates the week that changes.
When will retatrutide be available?
After phase 3 and FDA review — years-scale, no promised date. Trial completion dates shift; the log above tracks real milestones only.
Can I join a retatrutide trial?
Yes — enrollment runs through clinicaltrials.gov study sites. The retatrutide guide walks through how eligibility screening works.

Sources: NEJM — phase 2 results · ClinicalTrials.gov — TRIUMPH program

Related reading

Retatrutide guide

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