What is Ozempic?? Ozempic? (semaglutide) injection 0.5 mg, 1 mg, or 2 mg is an injectable prescription medicine used: along with diet and exercise to improve blood sugar in adults with type 2 diabetes. to reduce the risk of major cardiovascular events such as heart attack, stroke, or death in adults with type 2 diabetes with known heart disease. It is not known if Ozempic? can be used in people who have had pancreatitis. Ozempic? is not for use in people with type 1 diabetes. It is not known if Ozempic? is safe and effective for use in children under 18 years of age.