The FDA signaled escalating enforcement, and on April 30, 2026, it proposed excluding semaglutide, tirzepatide, and liraglutide from the 503B outsourcing facility bulks list - the mechanism that governs which substances large-scale compounders may use - with a public comment period open through June 29, 2026
Food and Drug Administration as a weight loss management treatment for people with obesity or those who are overweight with at least one related underlying condition such as high blood pressure
Plasma holotranscobalamin compared with plasma cobalamins for assessment of vitamin B12 absorption
The 7 Key Medical Guidelines for B12 Injection Administration Vitamin B12 injections follow seven key medical guidelines
Patients considering compounded tirzepatide should only obtain it from licensed pharmacies and under close medical supervision
GLP-1 receptor agonist medications represent a conceptually-grounded, mechanism-based intervention