
FDA Issues 14 New GLP-1 Compounder Warning Letters (March-April 2026 Enforcement)
Verified April 11, 2026: The FDA issued 14 new warning letters to GLP-1 compounders between March 12 and April 8, 2026 — the largest enforcement wave since the semaglutide compounding ban. Full list of affected pharmacies, what they violated, and what to do if you were a patient.