Fresh analysis reveals that patients who stop using popular slimming jabs like Wegovy and Mounjaro can put back on lost weight at a significantly accelerated pace than those who end conventional diet and exercise plans.
Findings released in a prominent health publication demonstrates that while obese individuals often shed substantial amounts of their body weight while on the medication, the weight comes back at an estimated rate of nearly a kilo each month after stopping.
"People using such treatments need to be aware of the danger of quick rebound weight gain when the medication is stopped," warns expert Dr. Susan Jebb.
Such speed of regain implies a reversion to starting mass within about a year and a half.
Analyzing Treatments
The research, which reviewed dozens of studies involving thousands of participants, compared the results of GLP-1 agonists with older methods.
Scientists note that individuals who lose weight through lifestyle changes alone generally experience a less rapid creep back—perhaps 0.1 kg a month—after stopping.
The Reason for the Rapid Regain
Doctors suggest the mode of action of the jabs is key to understanding the heightened weight return.
These medications mimic a natural hormone called GLP-1, which controls appetite.
"Artificially providing GLP-1 levels far above than the body's typical production may cause the system to generate a reduced amount of its endogenous GLP-1, and could lessen responsiveness to its actions," noted Dr. Adam Collins, a nutrition specialist.
"Withdrawal of this medication means hunger is no longer kept in check, making binge eating a significant risk."
A Lifelong Issue?
Health authorities suggest the jabs for people with weight-linked medical conditions, accompanied by prescribed lifestyle changes.
A number of clinicians argue that, considering the high risk of weight regain, the therapy might need to be life-long.
This view is reinforced by drug manufacturers, who note that the results "highlight the long-term character of excess weight," similar to managing conditions like hypertension.
Patient Testimonies
Individuals who have discontinued the jabs report a sudden return of appetite.
"I experienced a switch flipping and you become ravenous," described one woman.
This challenge is compounded if users have not developed sustainable dietary or behavioural changes during treatment.
Widespread Adoption
Survey data suggest that millions of people in the UK have tried weight-loss jabs in the past year, with interest being substantial.
- Adoption is higher among women than males.
- The middle-aged demographic shows the highest usage rates.
- Many access the drugs through private prescriptions rather than public health services.
Finally, clinicians caution that while these medications are powerful tools for shedding pounds, they are not a permanent fix and maintained weight loss hinges on ongoing behavioural changes.
