A recent study reveals that patients who stop using new GLP-1 drugs like semaglutide or tirzepatide may regain shed pounds much more quickly than those who halt traditional lifestyle plans.
Research printed in a major medical journal points out that while overweight individuals frequently drop about a fifth of their body weight while undergoing treatment, the weight returns at an estimated rate of 0.8 kg per month upon discontinuation.
"People purchasing these drugs must be cognizant of the risk of fast rebound weight gain when the medication ends," stated researcher Dr. Susan Jebb.
That rate of recovery suggests a return to starting mass in about a year and a half.
Weighing Therapies
The analysis, which reviewed dozens of trials involving over 9,000 of patients, contrasted the results of GLP-1 agonists with other pills.
Scientists note that people who lose weight through lifestyle changes alone usually see a less rapid weight regain—perhaps 100 grams monthly—post-intervention.
Explaining the Fast Rebound
Experts believe the way of the jabs accounts for the heightened regain.
GLP-1 drugs imitate a body's own chemical called GLP-1, which moderates hunger.
"Artificially providing the hormone levels several times higher than normal could lead to the system to generate a reduced amount of its endogenous hormone, and could reduce responsiveness to its effects," said Dr. Adam Collins, a nutrition specialist.
"Stopping of this medication results in hunger is unsuppressed, making excessive eating far more likely."
A Chronic Condition?
Health authorities recommend the injections for individuals with obesity-related medical conditions, alongside recommended lifestyle changes.
Many experts say that, given the significant potential of weight regain, the treatment is often ongoing.
This perspective is echoed by pharmaceutical companies, who note that the results "emphasize the persistent nature of excess weight," comparing it to managing conditions like diabetes.
User Experiences
People who have come off the medication describe a intense resurgence of hunger.
"I experienced a trigger flipping and you become ravenous," recalled an individual.
The struggle is worsened if patients have not adopted lasting lifestyle or habit changes during treatment.
Widespread Use
Survey data show that millions of people in the UK have tried weight-loss jabs in the past year, with interest remaining high.
- Adoption is greater among females than males.
- The 40s and 50s demographic shows the highest level of interest.
- Many access the medications through private prescriptions rather than public health services.
In conclusion, researchers stress that while the jabs are potent agents for shedding pounds, they are not a magic cure and maintained weight loss hinges on combined lifestyle changes.