A recent study reveals that individuals who come off popular GLP-1 drugs like Wegovy and Mounjaro tend to recover shed pounds much more quickly than those who halt conventional lifestyle plans.
Findings released in a leading medical journal shows that while obese individuals often shed a large proportion of their body weight while undergoing treatment, the weight returns at an average rate of nearly a kilo each month once they quit.
"Users purchasing such medications should be cognizant of the danger of fast rebound weight gain when the therapy is stopped," stated expert Dr. Susan Jebb.
That rate of recovery implies a reversion to pre-treatment weight within about a year and a half.
Weighing Approaches
The study, which looked at 37 of studies involving over 9,000 of patients, compared the effects of the injectable medications with other pills.
Scientists emphasize that people who lose weight through diet and exercise typically see a less rapid weight regain—perhaps 100 grams monthly—post-intervention.
The Reason for the Fast Rebound
Doctors propose the mechanism of the drugs explains the accelerated regain.
These medications mimic a body's own chemical called glucagon-like peptide-1, which moderates appetite.
"Long-term administration of GLP-1 concentrations several times higher than the body's typical production could lead to the body to produce less of its endogenous hormone, and may also lessen sensitivity to its actions," noted Dr. Adam Collins, a dietetics specialist.
"Stopping of this medication leads to hunger is uncontrolled, making binge eating far more likely."
A Lifelong Issue?
Health authorities recommend the injections for individuals with weight-linked medical conditions, accompanied by recommended diet and exercise modifications.
Professionals argue that, given the high risk of relapse, the therapy is often ongoing.
This perspective is supported by drug manufacturers, who state that the findings "emphasize the chronic character of obesity," akin to managing conditions like high blood pressure.
Patient Accounts
People who have stopped the medication describe a intense resurgence of hunger.
"It was like something activating and you become extremely hungry," described one woman.
The struggle is compounded if users have not developed permanent dietary or behavioural modifications during therapy.
Widespread Interest
Figures suggest that millions of adults in the UK have used these injections in the last 12 months, with interest remaining high.
- Adoption is greater among women than men.
- The 40s and 50s age group shows the greatest usage rates.
- Many access the drugs through private prescriptions rather than public health services.
Finally, experts caution that while these medications are effective tools for weight loss, they are not a magic solution and maintained weight loss hinges on ongoing lifestyle management.