Ozempic vs Wegovy: side-by-side comparison
Ozempic and Wegovy share the same active ingredient — Semaglutide — which makes them direct alternatives. The practical differences are brand, manufacturer (Novo Nordisk vs Novo Nordisk), available strengths and price. This comparison summarises what is the same, what differs, and when each is typically preferred.
| Property | Ozempic | Wegovy |
|---|---|---|
| Active ingredient | Semaglutide | Semaglutide |
| Manufacturer | Novo Nordisk | Novo Nordisk |
| Class | Diabetes Treatment | Diabetes Treatment |
| Strengths | 0.25mg, 0.5mg, 1mg, 2mg | 0.25mg, 0.5mg, 1mg, 1.7mg, 2.4mg |
| Forms | pre-filled pen | pre-filled pen |
What's the same
Both medications contain Semaglutide. Clinical efficacy is comparable at equivalent doses, and the choice usually comes down to brand, price and availability.
Key differences
Although both contain Semaglutide, they differ in brand (Ozempic vs Wegovy), manufacturer (Novo Nordisk vs Novo Nordisk), excipients, tablet appearance, available strengths (0.25mg, 0.5mg, 1mg, 2mg vs 0.25mg, 0.5mg, 1mg, 1.7mg, 2.4mg) and price.
Mechanism and action
Ozempic: After subcutaneous injection, semaglutide is absorbed slowly and binds to the GLP-1 receptor in pancreatic beta cells, alpha cells, central nervous system and gut. Wegovy: Wegovy acts on the GLP-1 receptor in the central nervous system and gastrointestinal tract to reduce appetite, slow gastric emptying and increase satiety.
When Ozempic is preferred
The medication is indicated in adults with type 2 diabetes mellitus, alone or in combination with other antidiabetic agents, to improve glycaemic control.
When Wegovy is preferred
Wegovy is indicated as an adjunct to a reduced-calorie diet and increased physical activity for chronic weight management in adults with obesity (BMI 30 or higher) or with overweight (BMI 27 or higher) and at least one weight-related comorbidity such as hypertension, dyslipidaemi…
Frequently asked questions
Is Ozempic or Wegovy better? ▾
Neither is universally better — they share the same active ingredient Semaglutide and are clinically equivalent at comparable doses. The choice usually comes down to brand, available strength, supply and cost.
Can I switch from Ozempic to Wegovy? ▾
Switching between Ozempic and Wegovy is usually straightforward as both share Semaglutide. Equivalent dose and schedule are confirmed by the prescriber or pharmacist.
Do Ozempic and Wegovy have the same side effects? ▾
Generally yes. Sharing Semaglutide, the side-effect profile is comparable. Minor differences can come from excipients and formulation.
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