Fresh analysis suggests that patients who discontinue blockbuster slimming jabs like Wegovy and Mounjaro tend to recover lost weight at a significantly accelerated pace than those who stop traditional lifestyle regimens.
Research printed in a major medical journal demonstrates that while overweight individuals often shed substantial amounts of their body weight while undergoing treatment, the weight returns at an average rate of 0.8 kg per month once they quit.
"Individuals using such treatments need to be informed of the risk of quick rebound weight gain when the therapy ends," stated researcher Dr. Susan Jebb.
This pace of regain implies a return to starting mass in about 18 months.
Comparing Approaches
The study, which reviewed dozens of studies involving thousands of patients, contrasted the outcomes of these new drugs with conventional dieting.
The team point out that individuals who shed pounds through dieting generally see a more gradual creep back—perhaps 0.1 kg a month—once they finish.
Understanding the Rapid Rebound
Doctors suggest the mechanism of the injections explains the amplified regain.
These medications copy a body's own chemical called GLP-1, which controls appetite.
"Artificially providing GLP-1 levels several times higher than normal might result in the body to generate a reduced amount of its endogenous GLP-1, and may also diminish sensitivity to its effects," said Dr. Adam Collins, a nutrition expert.
"Stopping of this medication leads to appetite is uncontrolled, making overeating far more likely."
An Ongoing Disease?
The NHS suggest the injections for people with weight-linked health risks, alongside recommended diet and exercise modifications.
Many experts argue that, due to the significant potential of weight regain, the treatment is often ongoing.
This perspective is reinforced by pharmaceutical companies, who state that the results "highlight the chronic nature of excess weight," similar to managing conditions like high blood pressure.
Patient Accounts
Users who have stopped the jabs report a powerful return of hunger.
"I experienced a trigger that goes on and you're instantly starving," described one woman.
This challenge is compounded if users have not adopted lasting dietary or behavioural changes during therapy.
Growing Adoption
Survey data indicate that a significant number of adults in the UK have used these injections in the last 12 months, with desire being substantial.
- Use is more common among women compared to males.
- The middle-aged demographic shows the highest level of interest.
- Many obtain the medications through private prescriptions rather than public health services.
Finally, experts stress that while these medications are potent tools for shedding pounds, they are not a permanent cure and long-term success relies on ongoing lifestyle management.