Fresh analysis reveals that people who discontinue blockbuster slimming jabs like Mounjaro or Wegovy can put back on reduced body mass at a significantly accelerated pace than those who halt conventional lifestyle plans.
Research printed in a major health publication shows that while obese people can lose about a fifth of their body weight while on the medication, the mass comes back at an estimated rate of nearly a kilo each month upon discontinuation.
"People using these drugs should be aware of the potential of rapid weight regain when the treatment ends," warns lead investigator Dr. Susan Jebb.
That rate of regain implies a reversion to original weight in about one and a half years.
Comparing Treatments
The study, which examined dozens of studies involving thousands of patients, compared the outcomes of GLP-1 agonists with older methods.
Scientists point out that individuals who shed pounds through lifestyle changes alone generally experience a slower creep back—approximately 0.1 kg a month—after stopping.
The Reason for the Fast Regain
Doctors suggest the way of the jabs accounts for the amplified regain.
These medications copy a natural hormone called glucagon-like peptide-1, which helps regulate appetite.
"Sustained high doses of the hormone levels far above than normal might result in the body to produce less of its own natural GLP-1, and may also reduce sensitivity to its effects," said Dr. Adam Collins, a nutrition expert.
"Discontinuation of this hormone supplement means appetite is uncontrolled, making binge eating a significant risk."
A Lifelong Disease?
Medical guidelines suggest the injections for people with obesity-related health risks, accompanied by recommended lifestyle changes.
Professionals argue that, given the high risk of relapse, the therapy might need to be long-term.
This perspective is echoed by pharmaceutical companies, who note that the results "emphasize the chronic nature of excess weight," comparing it to managing diseases like diabetes.
User Accounts
People who have discontinued the jabs report a intense resurgence of cravings.
"It was like a switch that goes on and you become ravenous," said a patient.
The struggle is compounded if individuals have not developed lasting dietary or behavioural modifications during therapy.
Widespread Adoption
Figures show that millions of adults in the UK have used these injections in the past year, with demand continuing to grow.
- Use is more common among women than males.
- The middle-aged demographic shows the greatest level of interest.
- Many access the drugs through private prescriptions rather than public health services.
Ultimately, researchers stress that while the jabs are potent agents for shedding pounds, they are not a magic cure and long-term success relies on combined behavioural management.
