
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.