Pre-filled pen of Semaglutide diabetes medication with its information leaflet and a pack of pen needles. Marketed as Ozempic, this is a glucagon-like peptide-1 (GLP-1) analogue that is used to treat diabetes and for weight management. It increases the production of insulin, the hormone that lowers blood sugar levels, while also suppressing secretion of glucagon, the hormone that raises blood sugar levels. It also reduces hunger and slows gastric emptying. Ozempic is administered by injection into the thigh, abdomen or upper arm.