Fresh analysis suggests that individuals who stop using popular weight-loss injections like Mounjaro or Wegovy can put back on reduced body mass at a significantly accelerated pace than those who end conventional diet and exercise programs.
Published data in a prominent health publication demonstrates that while obese individuals can lose a large proportion of their total mass while on the medication, the weight is regained at an estimated rate of nearly a kilo each month once they quit.
"People buying such medications need to be informed of the potential of fast rebound weight gain when the treatment ends," cautioned expert Dr. Susan Jebb.
Such speed of regain suggests a return to original weight within about one and a half years.
Weighing Therapies
The study, which reviewed 37 of trials involving thousands of participants, compared the outcomes of these new drugs with other pills.
The team point out that individuals who lose weight through diet and exercise typically experience a slower creep back—approximately 100 grams monthly—post-intervention.
Explaining the Rapid Regain
Nutrition scientists believe the mode of action of the jabs is key to understanding the heightened rebound.
These medications mimic a body's own chemical called GLP-1, which helps regulate appetite.
"Artificially providing the hormone concentrations far above than the body's typical production could lead to the body to generate a reduced amount of its endogenous GLP-1, and could diminish sensitivity to its effects," said Dr. Adam Collins, a dietetics specialist.
"Withdrawal of this medication results in appetite is no longer kept in check, making excessive eating far more likely."
An Ongoing Disease?
The NHS recommend the jabs for people with obesity-related health risks, accompanied by prescribed lifestyle changes.
A number of clinicians say that, given the significant potential of relapse, the therapy might need to be life-long.
This opinion is supported by pharmaceutical companies, who state that the findings "emphasize the long-term nature of excess weight," comparing it to managing conditions like diabetes.
User Testimonies
People who have stopped the jabs describe a sudden return of hunger.
"It felt as if a switch flipping and you're instantly starving," described one woman.
This difficulty is worsened if individuals have not developed permanent dietary or behavioural changes during treatment.
Widespread Interest
Recent estimates indicate that millions of people in the UK have used weight-loss jabs in the last 12 months, with desire being substantial.
- Adoption is greater among females compared to males.
- The 40s and 50s age group shows the highest level of interest.
- Many access the drugs through private healthcare rather than the NHS.
In conclusion, experts stress that while GLP-1 drugs are potent agents for weight loss, they are not a standalone solution and long-term success hinges on ongoing lifestyle changes.
