A recent study suggests that people who discontinue popular GLP-1 drugs like Mounjaro or Wegovy may regain lost weight much more quickly than those who end traditional lifestyle plans.
Published data in a leading health publication points out that while obese individuals frequently drop a large proportion of their total mass while using the jabs, the mass is regained at an estimated rate of nearly a kilo each month once they quit.
"Individuals using these medications should be informed of the risk of fast rebound weight gain when the medication is stopped," cautioned expert Dr. Susan Jebb.
This pace of recovery means a reversion to pre-treatment weight in about 18 months.
Weighing Treatments
The analysis, which reviewed dozens of studies involving over 9,000 of patients, contrasted the outcomes of GLP-1 agonists with older methods.
The team emphasize that people who shed pounds through lifestyle changes alone generally experience a more gradual weight regain—perhaps 100 grams monthly—post-intervention.
The Reason for the Rapid Rebound
Experts believe the mode of action of the jabs is key to understanding the amplified rebound.
The injections imitate a body's own chemical called glucagon-like peptide-1, which helps regulate feelings of fullness.
"Artificially providing the hormone levels far above than normal may cause the system to produce less of its own natural hormone, and may also lessen sensitivity to its effects," explained Dr. Adam Collins, a dietetics expert.
"Discontinuation of this GLP-1 'fix' means appetite is unsuppressed, making excessive eating a significant risk."
A Chronic Issue?
Health authorities suggest the injections for individuals with obesity-related health risks, alongside recommended diet and exercise modifications.
Professionals argue that, considering the likelihood of weight regain, the treatment should be considered life-long.
This view is echoed by pharmaceutical companies, who state that the findings "underscore the long-term character of obesity," comparing it to managing diseases like high blood pressure.
Patient Accounts
People who have stopped the medication report a powerful return of hunger.
"It felt as if a trigger activating and you become starving," said a patient.
The struggle is worsened if individuals have not established lasting dietary or behavioural modifications during therapy.
Growing Use
Recent estimates indicate that a significant number of people in the UK have used weight-loss jabs in the past year, with demand being substantial.
- Adoption is greater among women compared to men.
- The 40s and 50s demographic shows the highest usage rates.
- A large proportion access the medications through private prescriptions rather than the NHS.
In conclusion, clinicians stress that while these medications are effective agents for shedding pounds, they are not a magic cure and long-term success likely depends on integrated lifestyle management.
