How Does Ozempic Work? The Science Behind It (+ Cost & Who It's For)

Ozempic (semaglutide) works by mimicking a gut hormone called GLP-1 that regulates blood sugar and appetite. It's FDA-approved for type 2 diabetes and reduces A1C by 1.5–2%. Off-label, it's used for weight loss. Here's how it works, what it costs, and how it compares to ZepBound and Wegovy.