American Airlines Drops Ozempic Coverage, Flight Attendants Push Back Live and Let's Fly Weight loss drugs like Mounjaro (Tirzepatide) and Wegovy (Semaglutide) are changing the way we approach obesity management. But patients often ask: How do these medicines work? Who should use them, Semaglutide for Weight Loss: How It Works, Comparisons, and More GoodRx Using the Wegovy pen Wegovy (semaglutide) Injection 2.4 mg Wegovy 0.25 mg 4 x 0.5 ml Injector Pens