A recent study suggests that patients who discontinue popular weight-loss injections like semaglutide or tirzepatide can put back on shed pounds at a significantly accelerated pace than those who halt conventional diet and exercise programs.
Published data in a leading medical journal shows that while obese individuals can lose a large proportion of their total mass while using the jabs, the weight comes back at an average rate of nearly a kilo each month upon discontinuation.
"Individuals buying such treatments need to be aware of the danger of fast rebound weight gain when the treatment concludes," cautioned lead investigator Dr. Susan Jebb.
That rate of regain means a return to starting weight within about 18 months.
Comparing Therapies
The research, which reviewed dozens of studies involving over 9,000 of participants, contrasted the effects of the injectable medications with conventional dieting.
Scientists emphasize that individuals who shed pounds through dieting usually experience a more gradual weight regain—around 100 grams monthly—post-intervention.
Explaining the Rapid Rebound
Experts suggest the mechanism of the jabs explains the heightened rebound.
These medications copy a body's own chemical called glucagon-like peptide-1, which helps regulate feelings of fullness.
"Long-term administration of the hormone concentrations several times higher than the body's typical production may cause the system to generate a reduced amount of its endogenous hormone, and may also lessen responsiveness to its effects," explained Dr. Adam Collins, a nutrition researcher.
"Discontinuation of this GLP-1 'fix' means appetite is no longer kept in check, making excessive eating much more probable."
A Lifelong Disease?
Health authorities suggest the injections for individuals with obesity-related health risks, accompanied by recommended diet and exercise modifications.
A number of clinicians argue that, given the high risk of relapse, the therapy is often life-long.
This opinion is reinforced by drug manufacturers, who say that the results "emphasize the persistent nature of obesity," comparing it to managing conditions like diabetes.
User Testimonies
Users who have stopped the jabs explain a sudden return of appetite.
"It felt as if something activating and I was suddenly ravenous," described one woman.
This challenge is worsened if patients have not adopted lasting dietary or behavioural changes during treatment.
Significant Use
Recent estimates indicate that a significant number of people in the UK have used weight-loss jabs in the last 12 months, with desire being substantial.
- Use is higher among females compared to men.
- The middle-aged demographic shows the highest usage rates.
- Many obtain the medications through private prescriptions rather than public health services.
Finally, experts emphasize that while the jabs are potent tools for weight loss, they are not a magic solution and long-term success hinges on ongoing lifestyle support.
