Patients Stopping Anti-Obesity Medications Regain Pounds at a Quadrupled Rate Than Those on Conventional Diets

New research suggests that people who stop using popular slimming jabs like Wegovy and Mounjaro may regain reduced body mass much more quickly than those who stop traditional lifestyle regimens.

Published data in a leading medical journal shows that while overweight people frequently drop a large proportion of their total mass while using the jabs, the mass is regained at an estimated rate of nearly a kilo each month once they quit.

"Users using such treatments need to be aware of the danger of quick rebound weight gain when the therapy concludes," stated researcher Dr. Susan Jebb.

Such speed of recovery suggests a return to original weight in about a year and a half.

Analyzing Treatments

The research, which looked at dozens of trials involving thousands of participants, compared the effects of these new drugs with other pills.

Scientists emphasize that individuals who lose weight through lifestyle changes alone typically have a less rapid weight regain—approximately 0.1 kg a month—once they finish.

Explaining the Quick Regain

Doctors believe the mechanism of the drugs is key to understanding the amplified rebound.

The injections mimic a natural hormone called GLP-1, which helps regulate feelings of fullness.

"Long-term administration of the hormone levels several times higher than the body's typical production could lead to the system to generate a reduced amount of its own natural hormone, and could diminish responsiveness to its effects," noted Dr. Adam Collins, a dietetics expert.

"Discontinuation of this GLP-1 'fix' means hunger is no longer kept in check, making binge eating far more likely."

An Ongoing Issue?

The NHS advise the injections for people with weight-linked medical conditions, alongside recommended diet and exercise modifications.

A number of clinicians contend that, considering the high risk of weight regain, the treatment should be considered life-long.

This perspective is supported by pharmaceutical companies, who state that the results "emphasize the persistent character of excess weight," comparing it to managing diseases like diabetes.

User Testimonies

Individuals who have come off the jabs report a intense return of hunger.

"I experienced a trigger activating and you're instantly ravenous," said a patient.

This challenge is compounded if patients have not established permanent lifestyle or habit changes during therapy.

Growing Interest

Survey data indicate that a significant number of people in the UK have tried weight-loss jabs in the last 12 months, with demand continuing to grow.

• Use is greater among females than men.
• The 40s and 50s demographic shows the highest usage rates.
• A large proportion obtain the medications through private healthcare rather than the NHS.

Finally, researchers stress that while the jabs are potent agents for weight loss, they are not a magic cure and lasting health benefits likely depends on integrated behavioural support.