Medications

What is Wegovy? A Complete Guide to Semaglutide for Weight Loss

If you've been researching weight loss medications, you've likely come across Wegovy. It's one of the most talked-about prescription treatments for weight management, and for good reason. Wegovy has helped thousands of people achieve significant weight loss when diet and exercise alone weren't enough. But what exactly is it, how does it work, and is it right for you? Let's break down everything you need to know about this medication in plain, honest terms.

What is Wegovy?

Wegovy is an FDA-approved prescription medication used for chronic weight management in adults with obesity or those who are overweight with at least one weight-related health condition. The active ingredient in Wegovy is semaglutide, a compound that was originally developed to treat type 2 diabetes under the brand name Ozempic.

Wegovy is manufactured by Novo Nordisk and was approved by the FDA for weight loss in June 2021. It's administered as a once-weekly injection that you give yourself using a pre-filled pen, similar to how some people administer insulin.

The medication is specifically indicated for adults with a body mass index (BMI) of 30 or greater, or a BMI of 27 or greater with at least one weight-related condition such as high blood pressure, type 2 diabetes, or high cholesterol.

How Does Wegovy Work?

Wegovy belongs to a class of medications called GLP-1 receptor agonists. GLP-1 stands for glucagon-like peptide-1, which is a hormone your body naturally produces in your intestines after you eat.

Here's how it works in simple terms:

The result is that you feel satisfied with smaller portions and have less desire to snack or overeat. This isn't about willpower or forcing yourself to eat less. Wegovy actually changes the biological signals that drive hunger and fullness.

Wegovy Dosing and Administration

Wegovy treatment follows a gradual dose escalation schedule. You don't start at the full dose right away. Instead, your doctor will have you begin with a lower dose and slowly increase it over several months.

The typical dosing schedule looks like this:

This gradual increase helps your body adjust to the medication and reduces the likelihood of experiencing side effects. You inject Wegovy under your skin (subcutaneously) in your abdomen, thigh, or upper arm once a week on the same day each week.

What Results Can You Expect?

In clinical trials, people taking Wegovy lost an average of 15% of their body weight over 68 weeks when combined with a reduced-calorie diet and increased physical activity. That's significantly more than the average 2.4% weight loss seen in the placebo group.

For someone weighing 240 pounds, a 15% weight loss would mean losing about 36 pounds. Individual results vary, of course, and your experience may be different.

It's important to understand that Wegovy isn't a quick fix. Weight loss happens gradually over months. Most people start seeing results within the first few weeks, but the most significant changes typically occur over several months of consistent use.

Gender Differences in Weight Loss

Research shows that both men and women achieve meaningful weight loss with Wegovy, though there can be some differences in how quickly results appear and in side effect experiences. Women may experience slightly more nausea initially, while results are generally comparable between genders over the full treatment period. What matters most is consistency with the medication and lifestyle modifications regardless of gender.

Common Side Effects

Like all medications, Wegovy can cause side effects. The most common ones are gastrointestinal and usually improve as your body adjusts to the medication.

Common side effects include:

These side effects are typically mild to moderate and tend to be most noticeable when you first start the medication or when your dose is increased. They usually decrease over time.

More serious but rare side effects can include pancreatitis, gallbladder problems, kidney problems, and changes in vision for people with type 2 diabetes. Your doctor will discuss these risks with you and monitor your health throughout treatment.

Who Should Not Take Wegovy?

Wegovy isn't right for everyone. You should not take Wegovy if you:

It's essential to discuss your complete medical history with your healthcare provider before starting any weight loss medication.

Wegovy vs. Other Semaglutide Options

You might be wondering about the difference between Wegovy and other medications you've heard about. Ozempic is also semaglutide, but it's FDA-approved specifically for type 2 diabetes at lower doses. Wegovy is the same medication but at a higher dose and specifically approved for weight management.

Compounded semaglutide has become an increasingly popular alternative. These are customized formulations of semaglutide prepared by specialized pharmacies, often at a more accessible price point than brand-name options. When prescribed by licensed physicians and obtained from reputable sources, compounded semaglutide can provide similar benefits.

From the Ozari Care Team

Starting any weight loss medication works best when paired with sustainable lifestyle changes. We recommend focusing on protein-rich meals to help maintain muscle mass during weight loss and staying well-hydrated, especially during the first few weeks of treatment. Remember that GLP-1 medications are tools that work with your efforts, not magic solutions that work instead of them.

Ready to Explore Your Options?

At Ozari Health, we offer compounded semaglutide and tirzepatide as low as $99/month, prescribed by licensed physicians and shipped to your door. Learn more at ozarihealth.com.

Medically Reviewed — Ozari Clinical Content Team (OCCT). Health writers and wellness professionals specializing in GLP-1 therapy, metabolic health, and weight loss medicine. Content reviewed in accordance with Ozari's Editorial Standards. Last reviewed: April 25, 2026.

This content is for informational purposes only and does not constitute medical advice. Always consult a licensed healthcare provider before starting any medication.

Last reviewed: April 25, 2026