Fresh analysis indicates that individuals who discontinue popular slimming jabs like semaglutide or tirzepatide tend to recover lost weight far faster than those who stop conventional lifestyle regimens.
Research printed in a prominent health publication demonstrates that while overweight people can lose substantial amounts of their body weight while using the jabs, the weight comes back at an estimated rate of nearly a kilo each month after stopping.
"Users buying such treatments must be aware of the danger of fast rebound weight gain when the therapy is stopped," stated expert Dr. Susan Jebb.
That rate of recovery suggests a reversion to original mass in about 18 months.
The analysis, which looked at 37 of trials involving over 9,000 of participants, compared the outcomes of these new drugs with older methods.
Scientists point out that individuals who shed pounds through dieting typically have a less rapid creep back—around 100 grams monthly—once they finish.
Experts propose the mechanism of the drugs explains the accelerated regain.
These medications imitate a natural hormone called glucagon-like peptide-1, which moderates appetite.
"Sustained high doses of GLP-1 concentrations far above than the body's typical production might result in the body to produce less of its endogenous GLP-1, and may also reduce sensitivity to its actions," said Dr. Adam Collins, a dietetics expert.
"Withdrawal of this hormone supplement results in appetite is unsuppressed, making overeating far more likely."
The NHS suggest the jabs for people with weight-linked health risks, accompanied by prescribed diet and exercise modifications.
Professionals contend that, due to the significant potential of weight regain, the treatment should be considered life-long.
This view is echoed by drug manufacturers, who state that the findings "underscore the long-term nature of excess weight," akin to managing conditions like hypertension.
Individuals who have come off the jabs describe a intense return of hunger.
"It felt as if something activating and I was suddenly ravenous," recalled a patient.
The struggle is worsened if users have not developed lasting dietary or behavioural modifications during treatment.
Survey data indicate that millions of people in the UK have tried weight-loss jabs in the last 12 months, with interest continuing to grow.
In conclusion, clinicians stress that while these medications are potent tools for weight loss, they are not a permanent solution and maintained weight loss likely depends on combined behavioural changes.
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