A recent study indicates that individuals who discontinue new weight-loss injections like semaglutide or tirzepatide can put back on shed pounds far faster than those who stop conventional lifestyle regimens.
Research printed in a major medical journal points out that while obese individuals can lose about a fifth of their body weight while undergoing treatment, the mass comes back at an estimated rate of nearly a kilo each month after stopping.
"Users purchasing these treatments need to be informed of the potential of rapid weight regain when the treatment ends," cautioned lead investigator Dr. Susan Jebb.
This pace of recovery suggests a reversion to pre-treatment weight within about one and a half years.
Comparing Approaches
The analysis, which examined dozens of studies involving thousands of participants, contrasted the effects of GLP-1 agonists with other pills.
Scientists point out that individuals who lose weight through dieting typically see a more gradual creep back—approximately 100 grams monthly—once they finish.
Explaining the Rapid Rebound
Doctors suggest the way of the drugs accounts for the accelerated rebound.
The injections imitate a body's own chemical called GLP-1, which moderates feelings of fullness.
"Sustained high doses of GLP-1 levels far above than normal may cause the body to generate a reduced amount of its own natural hormone, and may also lessen responsiveness to its actions," said Dr. Adam Collins, a dietetics researcher.
"Withdrawal of this medication results in appetite is uncontrolled, making binge eating far more likely."
A Lifelong Disease?
The NHS recommend the jabs for people with weight-linked medical conditions, accompanied by prescribed diet and exercise modifications.
Many experts argue that, due to the high risk of relapse, the treatment might need to be ongoing.
This view is reinforced by pharmaceutical companies, who note that the findings "highlight the chronic nature of obesity," akin to managing diseases like diabetes.
Patient Experiences
People who have stopped the medication describe a powerful resurgence of hunger.
"It was like something that goes on and you're instantly ravenous," recalled a patient.
The struggle is exacerbated if users have not developed permanent lifestyle or habit modifications during treatment.
Significant Interest
Figures indicate that millions of people in the UK have tried weight-loss jabs in the last 12 months, with demand remaining high.
- Adoption is greater among women compared to males.
- The middle-aged age group shows the greatest level of interest.
- Many access the medications through private prescriptions rather than public health services.
Finally, clinicians emphasize that while these medications are effective tools for weight loss, they are not a magic fix and long-term success relies on integrated lifestyle management.
