How does Ozempic actually work in the body?

Question

I read that it affects appetite and sugar levels, but I don’t really understand the mechanism.

score 0 · Answer 1 · 2026-07-09T17:03:08+00:00

Dr. Rahul Baxi Jul 9, 2026 • 10:33PM Best answer

Expert

Dear Reader,

Ozempic contains the active substance semaglutide, which works by mimicking the action of a natural hormone in the body called glucagon-like peptide-1 (GLP-1) receptor agonists. This hormone is normally released from the gut after eating and plays a role in regulating blood sugar levels. Semaglutide helps the body release insulin when blood sugar levels rise, while also reducing the amount of sugar released by the liver. In addition, it slows the rate at which food leaves the stomach. These combined actions support better blood sugar control in adults living with type 2 diabetes when used as part of an overall care plan that may also include lifestyle measures such as diet and physical activity.

Because the hormone it mimics also sends signals to the brain that are related to fullness, some people may notice changes in appetite or feel satisfied with smaller portions of food. However, individual responses can vary, and the effects may differ from person to person. If you are considering this option or want to better understand how it may affect your body, it is important to consult a doctor who can evaluate your health conditions and guide you appropriately.

Wishing you good health.