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Compounded Retatrutide: Legal Status, Risks & Alternatives

Unlike semaglutide and tirzepatide, compounded retatrutide is explicitly prohibited under federal law — there is no approved version, so the shortage exemption never applied. This guide explains the legal reality, what's actually in research-peptide vials, and what your real options are.

How to Get Retatrutide: Clinical Trials and Expanded Access Are the Only Lawful Routes

Retatrutide isn't FDA-approved yet. Lawful access is limited to clinical trials and, for a small group of adults with a BMI of 35 or more and two or more serious obesity-related complications whose obesity has not responded to the highest available dose of current treatment and who cannot join a trial, Lilly's expanded access program (requested by a physician). This guide covers how to join a trial, who qualifies for expanded access, why compounding pharmacies cannot lawfully supply retatrutide, and what research peptide vendors actually sell, plus what you need to know about safety, legality, and costs.