Is Retatrutide legal?
Retatrutide is not FDA approved as a finished drug. For drug-tested athletes it is not on the WADA prohibited list. Not yet available by prescription. Trial-only access through Lilly's clinical program.. Legal status depends on your country and changes over time. This reflects US status at the time of writing and is not legal or medical advice.
Regulatory status
- FDA: Investigational. In Phase 3 trials with Eli Lilly. Not yet approved.
- WADA: Not listed
- Prescription: Not yet available by prescription. Trial-only access through Lilly's clinical program.
References
- Triple–Hormone-Receptor Agonist Retatrutide for Obesity (Phase 2) — Jastreboff AM et al., NEJM, 2023
- Retatrutide, a GIP, GLP-1 and glucagon receptor agonist, for people with type 2 diabetes: a randomised, double-blind, placebo and active-controlled, parallel-group, phase 2 trial conducted in the USA — Rosenstock et al., Lancet, 2023
- Triple hormone receptor agonist retatrutide for metabolic dysfunction-associated steatotic liver disease: a randomized phase 2a trial — Sanyal et al., Nature Medicine, 2024
Pepdex is an editorial reference, not medical advice. Peptides vary in legal and approval status by country, many are research compounds without full human safety data. Talk to a qualified clinician before starting anything.
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Last updated 2026-06-06.