Fresh analysis indicates that people who come off new weight-loss injections like semaglutide or tirzepatide may regain shed pounds far faster than those who halt conventional diet and exercise programs.
Published data in a leading health publication points out that while overweight people frequently drop about a fifth of their body weight while on the medication, the mass returns at an average rate of 0.8 kg per month after stopping.
"People buying these treatments must be aware of the potential of fast rebound weight gain when the treatment is stopped," warns expert Dr. Susan Jebb.
Such speed of regain means a reversion to original weight within about one and a half years.
Weighing Approaches
The analysis, which reviewed 37 of trials involving thousands of patients, contrasted the outcomes of the injectable medications with other pills.
Researchers emphasize that individuals who shed pounds through diet and exercise generally see a less rapid creep back—approximately 0.1 kg a month—post-intervention.
Understanding the Fast Regain
Experts propose the way of the jabs is key to understanding the amplified weight return.
These medications mimic a body's own chemical called GLP-1, which moderates appetite.
"Artificially providing GLP-1 levels far above than normal might result in the system to produce less of its own natural GLP-1, and may also diminish responsiveness to its actions," noted Dr. Adam Collins, a nutrition researcher.
"Stopping of this hormone supplement results in appetite is no longer kept in check, making overeating much more probable."
A Lifelong Condition?
Health authorities advise the injections for individuals with weight-linked health risks, alongside recommended lifestyle changes.
A number of clinicians argue that, considering the likelihood of relapse, the therapy is often long-term.
This perspective is echoed by drug manufacturers, who note that the results "emphasize the long-term nature of obesity," similar to managing diseases like high blood pressure.
Patient Accounts
Users who have discontinued the medication explain a sudden resurgence of cravings.
"I experienced a trigger activating and you become extremely hungry," said one woman.
This difficulty is worsened if patients have not adopted sustainable lifestyle or habit modifications during therapy.
Widespread Use
Recent estimates show that millions of people in the UK have tried these injections in the last 12 months, with interest remaining high.
- Use is more common among women compared to males.
- The middle-aged age group shows the greatest usage rates.
- A large proportion obtain the drugs through private healthcare rather than the NHS.
Ultimately, experts caution that while GLP-1 drugs are powerful agents for shedding pounds, they are not a permanent fix and maintained weight loss likely depends on integrated lifestyle support.
