Ozempic (semaglutide) mimics GLP-1 to release insulin and lower the amount of sugar released into your bloodstream. Your response to this drug may vary based on your medical history and diagnosis.
Ozempic can be prescribed for adults with type 2 diabetes to:
- lower certain risks in people who also have heart disease, including heart attack and stroke
- help manage blood sugar levels, along with lifestyle improvements in diet and exercise
- prevent worsening kidney function and heart-related death in people who also have chronic kidney disease (CKD)
Ozempic contains the active ingredient semaglutide. It belongs to a class of drugs called glucagon-like peptide-1 (GLP-1) receptor agonists.
The way a drug works is known medically as its mechanism of action. Ozempic works in several ways to lower blood sugar levels in people with type 2 diabetes. The drug also lowers heart-related risks in people with both diabetes and heart disease.
The drug does this in the following ways:
- Ozempic mimics the actions of a naturally produced hormone called GLP-1. By activating GLP-1 receptors in your brain, Ozempic helps stimulate the pancreas to release insulin.
- Similar to the GLP-1 hormone, Ozempic slows the movement of food through your stomach. This causes you to feel full for longer periods of time. In turn, it prevents a big increase in your blood sugar levels and can lead to fewer hunger cravings.
- It increases the amount of insulin your body makes after a meal so that your blood sugar levels won’t get too high. Insulin is a hormone that lowers your blood sugar levels.
- It lowers the amount of sugar released into your bloodstream.
Your doctor or a pharmacist can provide details about how Ozempic works in the body.
Ozempic starts working 1 to 3 days after it’s injected. After you start treatment with Ozempic, it may take 4 to 8 weeks to notice a difference and feel the full benefit.
After at least 4 weeks at your current Ozempic dose, your doctor may increase your dose by up to 1 milligram (mg). Your dosage adjustment will depend on your current dosage and how well it’s working for you. It’s important to follow your doctor’s advice on the dose of Ozempic you should take and to take it exactly as directed.
Disclaimer: While Healthline strives for factual, comprehensive, and current information, this article is not a substitute for a licensed healthcare professional’s expertise. Always consult a doctor before taking or discontinuing any medication. Drug information is subject to change and may not cover all uses, directions, precautions, warnings, interactions, reactions, or adverse effects. The lack of a warning does not guarantee a drug’s safety, effectiveness, or appropriateness for all patients or specific uses. Learn more about our approach to content integrity.



