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Fitness & Wellness

Can GLP-1 medications replace emphasis on fitness and wellness

Clinical trials have shown that the drugs aid rapid weight loss.

GLP-1
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GLP-1 medications inherently delay digestion and reduce hunger. (Photo credit: Getty images)

By

Meghan Belsare

Updated: 22 April 2025 2:00 PM GMT

When Karan Johar began to displaying signs of rapid weight loss, the rumor mill was on overdrive and questions flew thick and fast: was it Ozempic?

The speculation was not baseless.

After all, Ozempic and comparable medications have reached the mainstream consciousness with a rising number of Hollywood A-listers advocating for it as a shortcut to weight loss.

Originally created to assist people with type 2 diabetes control blood sugar, Ozempic is a GLP-1 receptor agonist. The medicine greatly suppresses hunger, boosts insulin release, and mimics a hormone called glucagon-like peptide-1 (GLP-1), which slows stomach emptying.

Research has further fueled interest.

Studies reported that individuals in clinical trials (over a 68 week period) shed an average of 15% of their body weight. In the United States alone, more than 9 million GLP-1 prescriptions were written in late 2022. And recent projections indicate that by 2030, almost 30 million Americans—which is close to 9% of the population—will be dependent on these drugs.

But the reality is more complex than the promise of quick outcomes seems.

Concerns of muscular atrophy

At first glance, for those battling obesity, the thought of weight loss driven by an injectable may appear to be the ideal answer. However, clinical investigations and real-world events show a more complex reality.

A 2022 study reported that most people who stopped semaglutide—the medication ingredient in Ozempic and Wegovy—regained weight. Patients, on average, regained two-thirds of the weight they had lost in a year following therapy cessation. More importantly, the weight reduction obtained during use was not restricted to fat.

In another scientific investigation, participants lost notable lean muscle mass—an average of 15 pounds of muscle as opposed to 23 pounds of fat.

Often ignored, muscular atrophy has consequences. Not just for strength or visual appearance, muscle is vital for mobility, metabolic function, and long-term weight stabilisation. Loss of muscle mass might reduce resting metabolic rate, hence facilitating weight gain and complicating the maintenance of a healthy body composition over time.

And the concerns aren’t limited to just muscular atrophy.

Dizziness and weariness

Given that GLP-1 medications inherently delay digestion and reduce hunger, people may suffer nausea, dizziness, and weariness, particularly after a round of physical activity.

Accounts have surfaced of people suffering from such severe adverse effects during an exercise routine which they previously accomplished with ease. Some even reportedly vomited mid-sessions.

In other instances, users said that after beginning a round of GLP-1 medication, even modest exercise like cardio intervals became unbearable. Subsequently, their fitness programs were abandoned owing to this unanticipated response, which started a cycle in which physical activity was decreased just when it was most required to maintain muscular mass.

While the weighing scale may display a lower and favourable number, decreased energy levels and diminished motivation for exercise can negate both the physical and psychological benefits of weight loss.

What then is the best practice for those that are on GLP-1 medication?

Supervision needed

For users of GLP-1 medication or those contemplating its use, the weight reduction journey should be approached with organisation and assistance.

Healthcare professionals—such as a doctor, qualified nutritionist, or personal trainer—who know the subtleties of GLP-1 medications could assist in the customization of plans that promote energy levels and guarantee fat loss rather than muscle loss.

Although the drug can hasten outcomes, maintaining muscle and general well-being calls for a well-controlled strategy.

The most successful tactics call for the guidance of a competent fitness professional that lays emphasis on strength exercise to help offset muscle loss. Similarly, cardiovascular health could well be impacted owing to the changes that the body goes through. Therefore, its vital to gradually build stamina to help preserve cardiovascular health.

Also, given the situation of reduced hunger potentially impacting food consumption, a balanced diet and a high-protein one at that can help to maintain muscle mass.

And finally, adequate recuperation to avoid overexertion could control the negative effects of the drug.

Emphasis on fundamentals

While GLP-1 medications for weight loss can best be termed as a hack, it is vital to not lose sight of more traditional and sustainable methods to control weight as the attention moves towards pharmacological options.

Long-term health is still based on the fundamentals of exercise, a balanced diet and adequate sleep. Unlike drugs, these strategies have negligible side effects, are less expensive over time, and offer advantages that far outweigh mere weight loss—factors such as increased immunity, stronger bones, and lower risk of chronic disease.

While many might find the focus on lifestyle changes to be less dramatic than getting a monthly injection, these efforts are more likely to yield permanent outcomes. More significantly, they enable people to develop a lifestyle that is packed with health and goodness.

GLP-1s, for their part, will continue to be a part of healthcare interventions, especially for those with medical conditions like type 2 diabetes or obesity-related comorbidities. Also, these drugs could help people cut corners and provide rapid weight loss results.

However, they are not magic remedies and come with the baggage of side effects such as muscle loss, weight regain, and reduced exercise motivation. Instead, emphasis on organic transformation will undoubtedly hold good for sustainable health in the long run.

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