Fresh analysis reveals that patients who discontinue new slimming jabs like Wegovy and Mounjaro tend to recover lost weight at a significantly accelerated pace than those who stop conventional lifestyle plans.
Research printed in a major health publication shows that while overweight individuals often shed a large proportion of their total mass while on the medication, the weight returns at an estimated rate of 0.8 kg per month once they quit.
"Users purchasing these medications should be aware of the potential of fast rebound weight gain when the treatment is stopped," warns researcher Dr. Susan Jebb.
That rate of regain suggests a reversion to original mass in about one and a half years.
Analyzing Approaches
The study, which examined 37 of studies involving over 9,000 of patients, contrasted the outcomes of the injectable medications with conventional dieting.
The team emphasize that people who lose weight through dieting generally experience a less rapid creep back—perhaps 100 grams monthly—once they finish.
The Reason for the Fast Rebound
Nutrition scientists suggest the mechanism of the jabs is key to understanding the amplified rebound.
These medications mimic a body's own chemical called GLP-1, which helps regulate appetite.
"Artificially providing the hormone levels far above than the body's typical production could lead to the system to generate a reduced amount of its endogenous hormone, and may also reduce sensitivity to its effects," said Dr. Adam Collins, a dietetics researcher.
"Withdrawal of this hormone supplement results in appetite is unsuppressed, making overeating far more likely."
A Lifelong Disease?
Medical guidelines recommend the injections for individuals with obesity-related health risks, accompanied by recommended diet and exercise modifications.
A number of clinicians argue that, given the likelihood of relapse, the therapy might need to be ongoing.
This opinion is reinforced by drug manufacturers, who note that the results "highlight the persistent character of excess weight," akin to managing diseases like hypertension.
Patient Accounts
People who have discontinued the medication explain a powerful return of appetite.
"I experienced a trigger that goes on and I was suddenly ravenous," described a patient.
The struggle is compounded if individuals have not developed sustainable lifestyle or habit changes during therapy.
Significant Use
Recent estimates suggest that a significant number of people in the UK have tried these injections in the past year, with desire being substantial.
- Adoption is more common among women compared to men.
- The 40s and 50s demographic shows the greatest usage rates.
- A large proportion obtain the drugs through private prescriptions rather than public health services.
Finally, clinicians caution that while these medications are powerful agents for weight loss, they are not a permanent fix and lasting health benefits hinges on ongoing behavioural support.
