Semaglutide, Ozempic® and Wegovy® are often used as if they were three different drugs. They are not. This article explains how the names relate, what each product is approved for, and the questions worth asking before you start any of them.
If you are considering semaglutide for weight loss in Westchester County, our Semaglutide Weight-Loss Injections page describes Bellava’s physician-supervised program.
Are semaglutide, Ozempic® and Wegovy® the same thing?
Semaglutide is the medicine; Ozempic® and Wegovy® are two brand-name products that contain it. Both are made by Novo Nordisk, both are once-weekly injections, and both work the same way in the body.
Semaglutide is a GLP-1 receptor agonist. It mimics glucagon-like peptide-1, a hormone released by the gut after eating, which helps you feel full, slows how quickly the stomach empties and helps regulate blood sugar. The brand names exist because the medicine was studied, approved and dosed for different purposes.
What is Ozempic® approved for?
Ozempic® is FDA-approved for adults with type 2 diabetes, to improve blood sugar control alongside diet and exercise.
It is also approved to lower the risk of major cardiovascular events, such as heart attack and stroke, in adults with type 2 diabetes and known heart disease, and its labeling has been expanded to include kidney-related benefits for people with type 2 diabetes and chronic kidney disease. Weight loss is a common effect of Ozempic®, which is how it became widely known, but weight management on its own is not its approved use.
Ozempic® comes in pens that deliver weekly doses of up to 2 mg.
What is Wegovy® approved for?
Wegovy® is FDA-approved for chronic weight management in adults and children 12 and older with obesity, or adults with overweight and at least one weight-related condition, used alongside a reduced-calorie diet and increased physical activity.
Its labeling also includes reducing the risk of major cardiovascular events in adults with established heart disease and either obesity or overweight, based on the SELECT trial.
Wegovy® is dosed higher than Ozempic®: the standard maintenance dose is 2.4 mg once a week, reached gradually over several months. That 2.4 mg dose is the one studied in the STEP 1 trial, where adults taking it with lifestyle changes lost about 15% of their body weight on average over 68 weeks, compared with roughly 2% on placebo.
So what is the real difference between them?
The practical differences are the approved purpose, the dose range and, as a result, insurance coverage and how a prescriber will use each one.
| Ozempic® | Wegovy® | |
|---|---|---|
| Active ingredient | Semaglutide | Semaglutide |
| How it is taken | Once-weekly injection | Once-weekly injection |
| Main approved use | Type 2 diabetes | Chronic weight management |
| Highest labeled weekly dose | 2 mg | 2.4 mg |
Because the medicine is the same, the side effects and safety warnings are also essentially the same. Our article on semaglutide side effects and who should not take it covers them in detail.
Where does Rybelsus® fit in?
Rybelsus® is semaglutide in a daily tablet, approved for adults with type 2 diabetes. It is taken by mouth each morning on an empty stomach, with a small sip of water, at least 30 minutes before food, drink or other medications. It is a reminder that “semaglutide” describes a molecule, not a single product.
What is compounded semaglutide?
Compounded semaglutide is semaglutide prepared by a compounding pharmacy rather than sold as an FDA-approved brand product. Compounded medications are not FDA-approved, which means the FDA does not review them for safety, effectiveness or quality before they reach patients.
Compounding of semaglutide expanded during the national shortage of the brand-name products. The FDA has since declared that shortage resolved, which limits when compounded copies can be made, and the agency has warned about dosing errors and about products sold online that were not what they claimed to be. Rules in this area have changed several times, so the safest approach is simply to ask.
Whatever program you consider, it is reasonable to ask:
- Is the product I will receive a brand-name FDA-approved medicine or a compounded preparation?
- If compounded, which licensed pharmacy prepares it?
- How is the dose measured, and who teaches me to give the injection?
- Who monitors me, and how often?
Which one is right for weight loss?
That depends on your health history, your goals and what your provider recommends after examining you, not on the brand name.
For someone with type 2 diabetes, the conversation often starts with blood sugar control. For someone without diabetes whose goal is weight management, the evidence base is the weight-management research, such as the STEP trials. In both cases, the medication works best with gradual dose increases, a realistic eating plan and regular follow-up.
At Bellava, as described on our semaglutide service page, we use semaglutide in a customized, medically supervised program: a consultation and health review first, a baseline that can include vitals, labs and body composition, a dosing plan that starts low and steps up, and ongoing check-ins to adjust it.
Frequently asked questions
Is Ozempic® stronger than Wegovy®?
No. They contain the same medicine. Wegovy®’s labeled maintenance dose (2.4 mg weekly) is higher than Ozempic®’s highest dose (2 mg weekly).
Can I switch from Ozempic® to Wegovy® or semaglutide?
Switching is a prescribing decision your provider makes based on your history, current dose and goals. Never double up or change doses on your own.
Is semaglutide the same as tirzepatide (Mounjaro®, Zepbound®)?
No. Tirzepatide is a different medicine that acts on two hormone receptors (GIP and GLP-1). Semaglutide acts on GLP-1 only.
Do semaglutide, Ozempic® and Wegovy® have the same side effects?
Yes, broadly. The most common are digestive: nausea, diarrhea, constipation and vomiting, usually most noticeable while the dose is being increased.
Does Bellava prescribe Ozempic® or Wegovy®?
Bellava offers a physician-supervised semaglutide weight-loss program. Your provider will explain exactly what is prescribed for you, and why, at your consultation.
Talk to a provider before you choose a name
The name on the pen matters far less than the plan around it. If you are in Westchester County and want a physician-supervised approach, read about semaglutide at Bellava or see how our Bedford Hills program works, then book a consultation with our medical team.
This article is general information, not medical advice. Product approvals and labeling change; your provider and the current prescribing information are the authority for your care. Ozempic®, Wegovy® and Rybelsus® are registered trademarks of Novo Nordisk A/S; Mounjaro® and Zepbound® are registered trademarks of Eli Lilly and Company. Bellava MedAesthetics is not affiliated with either company.