What are the medical benefits of Ozempic (semaglutide)?

Medical Advisory BoardAll articles are reviewed for accuracy by our Medical Advisory Board
Educational purpose only • Exercise caution as content is pending human review
Article Review Status
Submitted
Under Review
Approved

Last updated: March 17, 2025View editorial policy

Personalize

Help us tailor your experience

Which best describes you? Your choice helps us use language that's most understandable for you.

From the Guidelines

Ozempic (semaglutide) is a highly effective medication for type 2 diabetes management, weight loss, and cardiovascular risk reduction, with significant benefits in improving glycemic control, reducing major adverse cardiac events, and promoting substantial weight loss. The medication works by mimicking the GLP-1 hormone, which helps regulate blood sugar by increasing insulin secretion when blood sugar is high, slowing stomach emptying, and reducing appetite. For diabetes, Ozempic typically improves glycemic control with a notable reduction in HbA1c levels (often 1-1.5%) 1. The standard dosing begins at 0.25mg once weekly by subcutaneous injection for four weeks, then increases to 0.5mg weekly, with possible further increase to 1mg or 2mg weekly if needed for glycemic control. Beyond diabetes management, Ozempic provides cardiovascular benefits, reducing the risk of major adverse cardiac events in patients with established cardiovascular disease, as demonstrated in the SUSTAIN-6 trial 1. Weight loss is another significant benefit, with patients often losing 5-15% of their body weight over time, and as high as 14.9% in clinical trials such as the STEP 1 trial 1. Common side effects include nausea, vomiting, diarrhea, and constipation, which typically improve with continued use. Patients should stay well-hydrated, start with the lowest dose, and gradually increase to minimize these effects. Ozempic is not approved for type 1 diabetes and should be used cautiously in patients with a history of pancreatitis or medullary thyroid cancer. Additionally, recent studies have shown that semaglutide can improve symptoms related to heart failure, as demonstrated in the STEP-HFpEF trial, which found that semaglutide improved symptoms, reduced body weight, and increased 6-min walk distance in patients with type 2 diabetes and heart failure with preserved ejection fraction 1. Overall, Ozempic is a valuable treatment option for patients with type 2 diabetes, obesity, and cardiovascular disease, offering significant benefits in terms of glycemic control, weight loss, and cardiovascular risk reduction. Key benefits of Ozempic include:

  • Improved glycemic control
  • Reduced major adverse cardiac events
  • Substantial weight loss
  • Improved symptoms related to heart failure
  • Reduced risk of cardiovascular events
  • Improved quality of life.

From the FDA Drug Label

OZEMPIC is a glucagon-like peptide 1 (GLP-1) receptor agonist indicated as: • an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus (1). • to reduce the risk of major adverse cardiovascular events in adults with type 2 diabetes mellitus and established cardiovascular disease (1)

The medical benefits of Ozempic (semaglutide) are:

  • Improvement of glycemic control in adults with type 2 diabetes mellitus
  • Reduction of the risk of major adverse cardiovascular events in adults with type 2 diabetes mellitus and established cardiovascular disease 2

From the Research

Medical Benefits of Ozempic (Semaglutide)

The medical benefits of Ozempic (semaglutide) include:

  • Improved glycemic control in patients with type 2 diabetes, as demonstrated by reduced HbA1c levels 3, 4, 5, 6
  • Weight loss, with studies showing significant reductions in body weight compared to placebo and other GLP-1 receptor agonists 3, 4, 5, 6
  • Cardiovascular benefits, including reduced risk of cardiovascular events and decreased blood pressure 4, 7, 6
  • Delayed gastric emptying and reduced appetite, leading to decreased energy intake 7, 6

Efficacy and Safety

The efficacy and safety of semaglutide have been established in several clinical trials, including the SUSTAIN program, which demonstrated superior glycemic control and weight loss compared to other treatments 3, 6. Semaglutide has also been shown to be safe in adults and elderly patients with renal or hepatic disorders, with no dose modification required 4. However, gastrointestinal adverse effects, such as nausea and diarrhea, have been reported 4, 5.

Comparative Efficacy

Comparative studies have shown that semaglutide is more effective than other GLP-1 receptor agonists, such as liraglutide and exenatide, in reducing HbA1c levels and body weight 5. Additionally, oral semaglutide has been shown to be non-inferior to subcutaneous semaglutide in reducing HbA1c levels and body weight, with a similar safety profile 5.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

Have a follow-up question?

Our Medical A.I. is used by practicing medical doctors at top research institutions around the world. Ask any follow up question and get world-class guideline-backed answers instantly.