Users Discontinuing Anti-Obesity Medications Put On Weight at a Quadrupled Rate Than People Using Diet and Exercise

A recent study suggests that patients who discontinue new GLP-1 drugs like semaglutide or tirzepatide may regain lost weight much more quickly than those who halt conventional lifestyle regimens.

Research printed in a prominent medical journal demonstrates that while overweight people often shed substantial amounts of their total mass while undergoing treatment, the weight comes back at an estimated rate of nearly a kilo each month once they quit.

"Users using such drugs must be informed of the potential of rapid weight regain when the treatment is stopped," cautioned expert Dr. Susan Jebb.

Such speed of recovery means a return to starting weight within about one and a half years.

Analyzing Treatments

The research, which reviewed 37 of trials involving over 9,000 of participants, contrasted the effects of these new drugs with older methods.

Researchers emphasize that people who shed pounds through diet and exercise typically experience a slower creep back—perhaps 100 grams monthly—after stopping.

Explaining the Rapid Regain

Doctors propose the mechanism of the jabs explains the accelerated regain.

The injections imitate a natural hormone called glucagon-like peptide-1, which controls hunger.

"Long-term administration of the hormone concentrations far above than normal might result in the system to generate a reduced amount of its endogenous hormone, and may also reduce sensitivity to its actions," noted Dr. Adam Collins, a dietetics researcher.

"Withdrawal of this GLP-1 'fix' results in appetite is unsuppressed, making overeating much more probable."

A Lifelong Disease?

Health authorities suggest the jabs for people with obesity-related medical conditions, alongside recommended diet and exercise modifications.

Professionals say that, considering the high risk of relapse, the therapy might need to be ongoing.

This perspective is echoed by pharmaceutical companies, who state that the findings "underscore the chronic nature of excess weight," akin to managing conditions like high blood pressure.

Patient Experiences

People who have discontinued the medication describe a intense resurgence of hunger.

"It felt as if a trigger that goes on and you become starving," said an individual.

This challenge is exacerbated if users have not established lasting dietary or behavioural changes during treatment.

Widespread Use

Survey data suggest that millions of people in the UK have tried weight-loss jabs in the past year, with desire being substantial.

• Use is greater among women compared to men.
• The middle-aged age group shows the highest level of interest.
• Many obtain the drugs through private prescriptions rather than the NHS.

Finally, researchers emphasize that while these medications are potent tools for weight loss, they are not a standalone cure and long-term success relies on combined behavioural support.