Medications

What is Wegovy? A Complete Guide to This FDA-Approved Weight Loss Medication

If you've been exploring weight loss options, you've likely heard about Wegovy. This prescription medication has transformed how we approach weight management, offering real hope for people who've struggled with traditional diet and exercise alone. But what exactly is Wegovy, and could it be right for you?

Understanding Wegovy: The Basics

Wegovy is the brand name for semaglutide when prescribed specifically for weight management. It's an FDA-approved injectable medication that was greenlit in June 2021 for chronic weight management in adults with obesity or those who are overweight with at least one weight-related health condition.

The medication comes from the drug manufacturer Novo Nordisk and belongs to a class of medications called GLP-1 receptor agonists. While semaglutide was originally developed to treat type 2 diabetes (sold under the brand name Ozempic), researchers discovered its powerful effects on weight loss during clinical trials.

How Does Wegovy Work?

Wegovy works by mimicking a natural hormone in your body called GLP-1, or glucagon-like peptide-1. This hormone plays several important roles in regulating your appetite and food intake.

When you take Wegovy, it activates GLP-1 receptors throughout your body, which triggers several beneficial effects:

These combined effects make it easier to eat less without feeling constantly hungry or deprived—something that's often the hardest part of losing weight.

Who Can Take Wegovy?

Wegovy is FDA-approved for adults who meet specific criteria. You may be a candidate if you have:

The medication is intended to be used alongside a reduced-calorie diet and increased physical activity—not as a replacement for lifestyle changes.

Is Wegovy Different for Women and Men?

Clinical trials for Wegovy included both women and men, and the medication works effectively for both. However, women made up about 74% of participants in the main trials, partly because women are more likely to seek weight management treatment.

Some differences to be aware of: Women may experience slightly different side effects related to hormonal fluctuations, and the medication should not be used during pregnancy or if you're planning to become pregnant within two months. Men in clinical trials showed similar weight loss results and safety profiles, though they may metabolize the medication slightly differently due to differences in body composition.

How Is Wegovy Taken?

Wegovy is a once-weekly injection that you give yourself using a pre-filled pen. The injection goes into the fatty tissue under your skin, typically in your stomach area, thigh, or upper arm.

Your doctor will start you on a low dose and gradually increase it over several months. This slow escalation helps your body adjust and minimizes side effects. The standard dosing schedule is:

Most people find the injection process simple and relatively painless after the first few times.

What Results Can You Expect?

Clinical trials showed impressive results. In the main study of nearly 2,000 adults, people taking Wegovy lost an average of 15% of their body weight over 68 weeks, compared to 2.4% for those taking a placebo—all while following a reduced-calorie diet and exercise program.

That means if you weighed 230 pounds at the start, you might lose around 35 pounds over the course of treatment. Individual results vary, but about two-thirds of people taking Wegovy lost 10% or more of their body weight.

Beyond the number on the scale, many people report improvements in energy levels, mobility, blood pressure, cholesterol levels, and blood sugar control.

Common Side Effects

Like all medications, Wegovy can cause side effects. The most common ones are gastrointestinal and typically improve as your body adjusts:

These side effects are usually mild to moderate and tend to be most noticeable when you first start the medication or increase your dose. Eating smaller meals, avoiding high-fat foods, and staying hydrated can help manage these symptoms.

Serious side effects are rare but can include pancreatitis, gallbladder problems, kidney problems, and allergic reactions. Your doctor will discuss the full risk profile with you before starting treatment.

Important Considerations

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

It's also worth noting that Wegovy is a long-term medication. Weight loss occurs gradually while you're taking it, and studies show that people who stop taking it often regain much of the weight they lost. This isn't a failure on your part—it reflects how your body's biology works.

Wegovy vs. Compounded Semaglutide

Due to shortages and high costs of brand-name Wegovy, many people are turning to compounded semaglutide. Compounded versions contain the same active ingredient but are prepared by specialized pharmacies. They offer the same mechanism of action at a more accessible price point, typically starting around $99 per month.

Compounded medications are regulated by state pharmacy boards and can be a practical alternative when prescribed by a licensed physician who monitors your progress.

From the Ozari Care Team

Starting any weight loss medication works best when combined with sustainable lifestyle changes. We recommend focusing on protein at each meal to preserve muscle mass while losing weight, and staying well-hydrated to minimize GI side effects. Remember, the goal isn't perfection—it's progress and building habits that support your long-term health.

At Ozari Health we offer compounded Semaglutide and Tirzepatide starting at $99/month prescribed by licensed physicians and shipped to your door. Learn more at ozarihealth.com.

Medically reviewed by the Ozari Clinical Care Team, licensed physicians specializing in metabolic health and GLP-1 therapy. Last reviewed: April 26, 2026