New research reveals that people who come off blockbuster slimming jabs like Mounjaro or Wegovy may regain reduced body mass at a significantly accelerated pace than those who stop conventional lifestyle programs.
Research printed in a leading medical journal demonstrates that while overweight individuals often shed a large proportion of their total mass while on the medication, the mass is regained at an estimated rate of 0.8 kg per month once they quit.
"Individuals purchasing these treatments need to be informed of the risk of rapid rebound weight gain when the therapy is stopped," cautioned lead investigator Dr. Susan Jebb.
Such speed of regain suggests a return to starting weight within about one and a half years.
Analyzing Therapies
The analysis, which reviewed dozens of studies involving thousands of participants, contrasted the results of the injectable medications with older methods.
Scientists emphasize that people who shed pounds through lifestyle changes alone generally experience a less rapid weight regain—approximately 100 grams monthly—post-intervention.
The Reason for the Rapid Rebound
Experts suggest the mode of action of the injections accounts for the accelerated weight return.
The injections imitate a body's own chemical called glucagon-like peptide-1, which controls hunger.
"Long-term administration of the hormone concentrations far above than the body's typical production could lead to the body to produce less of its own natural GLP-1, and may also lessen sensitivity to its actions," noted Dr. Adam Collins, a dietetics researcher.
"Discontinuation of this medication means appetite is unsuppressed, making binge eating far more likely."
A Chronic Condition?
Health authorities suggest the jabs for people with obesity-related medical conditions, alongside prescribed diet and exercise modifications.
Many experts say that, considering the likelihood of relapse, the treatment is often life-long.
This view is supported by pharmaceutical companies, who say that the findings "underscore the persistent character of excess weight," similar to managing conditions like diabetes.
Patient Experiences
Individuals who have discontinued the medication report a sudden resurgence of appetite.
"It felt as if a trigger flipping and you're instantly ravenous," said one woman.
This difficulty is exacerbated if individuals have not adopted lasting lifestyle or habit changes during therapy.
Widespread Adoption
Recent estimates show that millions of adults in the UK have used these injections in the past year, with interest being substantial.
- Adoption is greater among females compared to males.
- The middle-aged age group shows the greatest usage rates.
- A large proportion obtain the drugs through private healthcare rather than the NHS.
In conclusion, experts emphasize that while these medications are potent tools for shedding pounds, they are not a magic solution and maintained weight loss relies on integrated lifestyle management.
