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Ozempic for weight loss - how does it work and what should you consider?

9/23/2025
12 min read
Ozempic for weight loss - how does it work and what should you consider?

Learn how Ozempic works for weight loss, who can get it, and what to keep in mind. Read more at Recetas Medicas.

Sarah

Licensed doctor at Recetas Medicas

Ozempic For Weight Loss - Everything You Need To Know

Ozempic is a drug that was originally developed for type 2 diabetes, but has also been shown to be effective in treating obesity and weight loss. The active substance in Ozempic is semaglutide (Semaglutide). Semaglutide suppresses appetite and regulates blood sugar. The drug is injected once a week. For best results, the treatment should be combined with a healthy diet and regular exercise.

Key points

  • Ozempic is a GLP-1 medicine for type 2 diabetes
  • The drug is also prescribed for weight loss
  • The active substance (semaglutide) suppresses appetite and enhances the feeling of satiety
  • Studies show an average of about 15-17% weight loss
  • The treatment should be seen as a complement to a healthy lifestyle

What is Ozempic and how does it work?

Ozempic is a prescription drug with the appetite-regulating substance semaglutide. It was originally approved for the treatment of type 2 diabetes, but is now also prescribed for the treatment of obesity in some cases.

What is semaglutide and how does it work?

Semaglutide is a GLP-1 receptor agonist, which means it resembles the effect of the body's own hormone GLP-1, which is released after meals. GLP-1 stimulates insulin release, suppresses appetite and increases satiety. By mimicking these effects, semaglutide provides an enhanced impact on both blood sugar regulation and appetite control. The result is that you eat fewer calories and lose weight.

Want to know if Ozempic is right for you? Complete our health form and receive a medical assessment within 1-3 days.

How does Ozempic affect weight loss?

The effects of semaglutide (the active substance in Ozempic) have shown good results in clinical studies for weight loss in people with obesity. In the comprehensive STEP program series, participants achieved an average of approximately 15-17% weight loss. The result was achieved in combination with lifestyle changes.

Source: NLM (National Library of Medicine)

Variation in effect

Ozempic is an effective weight loss aid, but results may vary from person to person. The effect is influenced, among other things, by dosage, genetics and lifestyle. The treatment gives the best results when combined with healthy eating habits and regular exercise.

How fast does Ozempic work?

The effect of Ozempic is usually seen gradually and most people report clear weight loss after about 2-3 months:

  • Weeks 1-4: starting dose and escalation During the first weeks, the dose is escalated to allow the body to get used to the medicine and to minimize side effects. The weight loss in this phase varies between individuals but is often 0.5-1 kg per week. Here the foundation is laid for long-term and sustainable weight loss.
  • After 3-6 months: stable weight loss When the body has adapted and the drug has been stepped up, most people see clearer effects. After 3 months, a stable weight loss is common.
  • After 6-14 months: clear results After 6-14 months, many patients have lost approx. 15-17% of their original weight. The result is usually even clearer when the drug is combined with lifestyle changes.

What happens when you have achieved the desired weight loss with Ozempic?

Reaching your goal weight with the help of Ozempic is a great achievement, but it is not the end of the journey. In order to maintain the weight, planning, follow-up and sometimes continued treatment is required. Without these efforts, there is a risk that the pounds will return.

Therefore, continued treatment may be relevant:

  • Stabilize weight over time
  • Maintain appetite regulation
  • Reduce the risk of returning to old habits

The decision on continued treatment is always made together with a doctor, based on health, goals and needs. At Recetas Medicas, we follow you continuously to ensure that you maintain your results.

This is how you maintain your weight after treatment with Ozempic

Whether you continue Ozempic or stop treatment, lifestyle matters. To maintain the results, it is important to:

  • Eat a balanced and nutritious diet
  • Be physically active. Preferably 150 min/week or more
  • Prioritize sleep, stress management and recovery

Advantages and disadvantages of Ozempic for weight loss

Benefits

  • Effective for weight loss. Clinical studies show that many people lose 15-17% of their body weight during long-term treatment.
  • Suppresses appetite and increases satiety. By affecting the hunger center in the brain, it becomes easier to eat less without feeling hungry.
  • Contributes to stable blood sugar levels. Ozempic helps the body regulate blood sugar, which can reduce sweet cravings and provide more even energy levels.

Disadvantages

  • Potential side effects. There is a small risk of side effects, but they are usually mild and go away on their own
  • Not subsidized for weight loss. Ozempic is not covered by the high cost cover when it is used to treat obesity
  • Risk of weight gain upon termination. Without long-term, sustainable habits, there is a risk of regaining the lost weight after treatment ends

Ozempic vs Wegovy - What's the difference?

Both Ozempic and Wegovy contain the same active substance, semaglutide, and work in the same way by affecting appetite regulation and blood sugar levels. The differences are mainly in dosage and area of ​​use: Wegovy comes in higher doses and is specifically approved for weight control, while Ozempic is approved for the treatment of type 2 diabetes.

Similarities – Ozempic and Wegovy

  • Active substance: Both contain semaglutide
  • Mechanism of action: Reduces appetite and contributes to stable blood sugar levels
  • Injection form: Taken weekly as an injection with a pre-filled pen
  • Effect: Clinical studies show clear weight loss with both. Wegovy often produces a slightly greater effect due to a higher dose

Side effects and risks of Ozempic

As with all medicines, Ozempic can cause side effects, although the risk is small. Most are mild, transient and appear at the beginning of treatment when the body adapts. The most common are nausea, constipation or diarrhea, which often go away on their own or are relieved with dietary changes or over-the-counter medications.

How to deal with side effects of Ozempic

  • Always follow the doctor's instructions regarding dosage and treatment. This is the most important measure to reduce the risk of side effects and for the treatment to give the best possible results.
  • Increase the dose slowly, always according to the doctor's instructions. It reduces the risk of nausea and other gastrointestinal problems.
  • Eat small, low-fat meals, especially in the first few weeks.
  • Make sure you get enough protein and exercise regularly to maintain muscle mass during weight loss.

Frequently asked questions and answers about Ozempic for weight loss

How much weight can you lose with Ozempic?

It varies, but studies show an average of about 15-17% weight loss.

How fast does Ozempic work?

Most people see an effect after 4–8 weeks, but greater weight loss usually occurs after 3–6 months.

How much does Ozempic cost?

Ozempic costs SEK 1049/month.

Is Ozempic safe?

For most people, Ozempic is safe with proper use and medical follow-up. But like all medicines, it can have side effects.

Medical weight loss - an option for sustainable results

Do you have any questions about Ozempic? Or are you wondering if medical weight loss might be an option for you? Then you are welcome to contact us at Recetas Medicas. We give you fast, personal advice.