Fresh analysis suggests that individuals who come off popular GLP-1 drugs like Wegovy and Mounjaro can put back on lost weight far faster than those who stop conventional diet and exercise programs.
Published data in a major health publication demonstrates that while obese people often shed a large proportion of their body weight while undergoing treatment, the mass comes back at an estimated rate of 0.8 kg per month once they quit.
"Users using these medications need to be cognizant of the potential of quick weight regain when the medication is stopped," cautioned lead investigator Dr. Susan Jebb.
This pace of regain means a reversion to original mass in about one and a half years.
Weighing Approaches
The study, which reviewed dozens of trials involving over 9,000 of patients, compared the results of these new drugs with older methods.
Researchers emphasize that people who lose weight through diet and exercise typically see a more gradual creep back—approximately 100 grams monthly—once they finish.
Understanding the Quick Rebound
Nutrition scientists suggest the mode of action of the injections is key to understanding the heightened rebound.
GLP-1 drugs imitate a body's own chemical called GLP-1, which helps regulate appetite.
"Sustained high doses of the hormone levels several times higher than the body's typical production could lead to the system to produce less of its endogenous GLP-1, and could diminish sensitivity to its effects," noted Dr. Adam Collins, a dietetics expert.
"Discontinuation of this hormone supplement leads to hunger is unsuppressed, making binge eating a significant risk."
A Chronic Condition?
Health authorities suggest the injections for individuals with weight-linked health risks, accompanied by recommended diet and exercise modifications.
A number of clinicians argue that, given the likelihood of weight regain, the therapy might need to be long-term.
This view is reinforced by drug manufacturers, who say that the findings "underscore the persistent nature of obesity," comparing it to managing diseases like high blood pressure.
User Testimonies
People who have come off the medication describe a intense return of cravings.
"It felt as if a trigger activating and you're instantly ravenous," said a patient.
The struggle is compounded if patients have not developed permanent dietary or behavioural modifications during therapy.
Growing Interest
Survey data suggest that millions of people in the UK have tried these injections in the last 12 months, with interest remaining high.
- Adoption is higher among women than men.
- The middle-aged demographic shows the greatest level of interest.
- A large proportion obtain the medications through private healthcare rather than the NHS.
In conclusion, researchers caution that while GLP-1 drugs are powerful tools for shedding pounds, they are not a standalone solution and maintained weight loss hinges on combined behavioural support.
