How Long Has Semaglutide Been Used for Weight Loss?

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8 min
Published on
June 10, 2025
Updated on
September 11, 2025
How Long Has Semaglutide Been Used for Weight Loss?

Introduction

When we think about effective weight loss treatments, the conversation often turns to the latest medications that have hit the market. Semaglutide, a drug that has gained significant attention in recent years, has become a prominent player in this arena. But how long has semaglutide actually been used for weight loss? This question is crucial for anyone considering this treatment, as understanding its history informs us about its efficacy and safety.

In this blog post, we will explore the journey of semaglutide from its initial development as a diabetes medication to its current role in weight management. We will discuss the scientific principles behind how it works, the clinical trials that have evaluated its effects, and what this means for you if you are considering semaglutide as part of your weight loss journey. By the end of this article, you will have a comprehensive understanding of semaglutide’s role in weight loss and how it could fit into your personal health strategy.

Did you know that approximately 42% of American adults are classified as obese? This startling statistic underscores the importance of effective, evidence-based weight loss solutions in our society. For many, traditional methods like diet and exercise alone may not suffice. This has led to increased interest in medications that can aid weight loss, such as semaglutide.

Semaglutide was first approved by the U.S. Food and Drug Administration (FDA) in 2017 as a treatment for type 2 diabetes under the brand name Ozempic. However, it wasn’t until 2021 that the FDA approved semaglutide for chronic weight management, branding it as Wegovy. This marks a significant moment in the medical community’s approach to treating obesity as a chronic disease rather than a simple issue of willpower.

In this blog, we will thoroughly analyze how long semaglutide has been utilized for weight loss, what research backs its efficacy, and how it can fit into your personalized weight loss plan. Together, we’ll uncover the nuances of this medication, ensuring you have the information you need to make informed health decisions.

The Origins of Semaglutide

Development as a Diabetes Treatment

Semaglutide is a glucagon-like peptide-1 (GLP-1) receptor agonist, a class of medications that mimic the effects of the GLP-1 hormone, which helps regulate blood sugar levels. The journey of semaglutide began in the late 1990s and early 2000s, with researchers exploring GLP-1’s potential for treating type 2 diabetes. By 2012, semaglutide was undergoing clinical trials, and it received FDA approval for diabetes treatment in December 2017.

Transition to Weight Loss

The switch from diabetes treatment to weight management is not uncommon for medications in this category. While semaglutide was primarily developed to manage blood sugar levels, clinical trials quickly indicated that participants experienced significant weight loss as a side effect. A pivotal clinical trial published in 2021 examined the weight loss effects of semaglutide in subjects without diabetes and demonstrated that participants lost an average of 15% of their body weight over 68 weeks when combined with lifestyle interventions.

This compelling evidence led to the FDA’s approval of semaglutide for weight loss in June 2021, making it the first drug approved for chronic weight management since Saxenda in 2014.

How Semaglutide Works for Weight Loss

Mechanism of Action

Semaglutide works by mimicking the GLP-1 hormone in the body, which has multiple effects that contribute to weight loss:

  1. Appetite Suppression: Semaglutide affects brain receptors that regulate appetite, helping individuals feel fuller faster and reducing overall food intake.
  2. Slowed Gastric Emptying: The medication slows down the rate at which food leaves the stomach, leading to prolonged feelings of fullness after meals.
  3. Improved Insulin Sensitivity: While its primary role in weight loss is through appetite regulation, semaglutide also enhances insulin sensitivity, which can help manage blood sugar levels.

Clinical Evidence

The effectiveness of semaglutide for weight loss has been substantiated through various clinical trials. One landmark study involved over 1,900 adults with obesity or overweight, showcasing that:

  • Participants on semaglutide lost an average of 14.9% of their body weight compared to just 2.4% in the placebo group.
  • Nearly 30% of participants lost 20% or more of their body weight.

These results highlight semaglutide’s role not just as a weight loss aid, but as a potential solution for managing obesity-related health conditions.

Who is Semaglutide For?

Eligibility Criteria

Semaglutide is recommended for adults with a body mass index (BMI) of 30 or greater, or those with a BMI of 27 or greater who also have weight-related health conditions such as high blood pressure or type 2 diabetes. It is crucial to consult a healthcare provider to determine if semaglutide is appropriate for your individual health profile.

Ongoing Management

While semaglutide can be effective, it is important to remember that it is not a standalone solution. Sustainable weight loss typically requires a comprehensive approach that includes lifestyle changes such as diet and exercise. At TrimRx, we emphasize the importance of a personalized weight loss program that combines these elements with the right medical support.

Possible Side Effects

Common Side Effects

As with any medication, semaglutide may come with side effects. The most commonly reported issues include:

  • Gastrointestinal Issues: Nausea, vomiting, diarrhea, and constipation are frequently experienced, especially when starting the medication.
  • Fatigue and Dizziness: Some users report feeling fatigued or dizzy, particularly during the initial adjustment period.

While these side effects can be unpleasant, many individuals find that they diminish over time as the body adjusts to the medication.

Serious Side Effects

More serious risks, although rare, should also be noted. Semaglutide carries a boxed warning for potential thyroid C-cell tumors based on animal studies. Individuals with a personal or family history of medullary thyroid carcinoma or multiple endocrine neoplasia syndrome type 2 should avoid this medication.

The Future of Semaglutide in Weight Management

Research and Development

Research surrounding semaglutide and its role in weight loss continues to evolve. Ongoing studies aim to further investigate its long-term effects, optimal usage, and potential side effects. As more data becomes available, the medical community may refine its recommendations for using semaglutide as part of weight management strategies.

Integrating Semaglutide with Lifestyle Changes

At TrimRx, we believe that medications like semaglutide should be part of a broader strategy for achieving and maintaining a healthy weight. Our approach integrates medically supervised care with personalized weight loss programs that focus on sustainable lifestyle changes. By taking our free assessment quiz, you can determine your eligibility for semaglutide and receive a tailored treatment plan designed just for you.

Conclusion

Semaglutide has made significant strides since its initial approval for diabetes management in 2017. With its recent FDA approval for weight loss in 2021, it has become a vital tool in the ongoing fight against obesity. Understanding how long semaglutide has been used for weight loss provides essential context for its effectiveness and safety profile.

While semaglutide offers promising benefits, it is vital to recognize that it is not a cure for obesity; rather, it is a part of a comprehensive approach that includes lifestyle changes and medical support. If you are considering semaglutide as a part of your weight loss journey, we encourage you to reach out to us and take our free assessment quiz to explore if you qualify for our personalized treatment programs.

FAQ

How long has semaglutide been used for weight loss?
Semaglutide was approved for weight loss by the FDA in June 2021, building on its previous use as a diabetes treatment since 2017.

What are the most common side effects of semaglutide?
Common side effects include gastrointestinal issues like nausea and diarrhea, fatigue, and dizziness. These often lessen over time.

Who is eligible to use semaglutide for weight loss?
Adults with a BMI of 30 or greater, or those with a BMI of 27 or greater with weight-related health conditions, may be eligible for semaglutide.

How can I start a weight loss program that includes semaglutide?
To see if you qualify for our personalized weight loss program, we invite you to take our free assessment quiz.

Should semaglutide be used alone for weight loss?
While semaglutide can be effective, it should ideally be combined with lifestyle changes, such as diet and exercise, for sustainable results.

By understanding the history, mechanism, and potential of semaglutide, we can work together to navigate your weight loss journey more effectively. Remember, at TrimRx, we’re here to support you every step of the way!

 

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