New research indicates that individuals who stop using blockbuster slimming jabs like Mounjaro or Wegovy can put back on shed pounds much more quickly than those who halt traditional lifestyle regimens.
Published data in a major health publication demonstrates that while overweight people can lose about a fifth of their body weight while undergoing treatment, the weight comes back at an average rate of 0.8 kg per month once they quit.
"People purchasing such drugs need to be informed of the potential of rapid weight regain when the medication ends," warns expert Dr. Susan Jebb.
This pace of recovery means a return to starting mass within about a year and a half.
Comparing Treatments
The research, which examined dozens of studies involving thousands of participants, compared the results of these new drugs with other pills.
The team point out that people who shed pounds through lifestyle changes alone generally have a less rapid weight regain—approximately 100 grams monthly—after stopping.
The Reason for the Fast Rebound
Experts suggest the mechanism of the injections accounts for the heightened regain.
These medications imitate a body's own chemical called glucagon-like peptide-1, which controls hunger.
"Long-term administration of GLP-1 concentrations far above than the body's typical production could lead to the body to generate a reduced amount of its endogenous hormone, and could lessen sensitivity to its actions," said Dr. Adam Collins, a dietetics specialist.
"Discontinuation of this medication means hunger is no longer kept in check, making excessive eating a significant risk."
A Chronic Condition?
Health authorities suggest the injections for people with weight-linked health risks, alongside recommended diet and exercise modifications.
A number of clinicians say that, considering the high risk of weight regain, the treatment might need to be long-term.
This perspective is echoed by drug manufacturers, who note that the findings "emphasize the long-term character of obesity," similar to managing conditions like high blood pressure.
User Testimonies
People who have stopped the medication report a powerful return of hunger.
"It felt as if a trigger flipping and you become ravenous," described a patient.
The struggle is compounded if individuals have not adopted sustainable dietary or behavioural changes during therapy.
Widespread Interest
Recent estimates show that a significant number of adults in the UK have used these injections in the past year, with desire continuing to grow.
- Adoption is greater among females compared to men.
- The middle-aged age group shows the highest level of interest.
- Many obtain the medications through private healthcare rather than the NHS.
In conclusion, experts emphasize that while these medications are powerful agents for weight loss, they are not a standalone fix and long-term success likely depends on ongoing behavioural changes.
