503A vs 503B compounding pharmacy explained — the regulatory framework, FDA Modernization Act of 1997 and Drug Quality and Security Act of 2013, oversight differences, and a five-step verification checklist for compounded GLP-1 medications.

How to verify a 503A compounding pharmacy before ordering compounded semaglutide or tirzepatide: eight automatic walk-away triggers, a 10-minute audit using state-board, FDA, PCAB, and NABP databases, and where PlexusDx Weight Management Protocols sit in that framework.