New research indicates that individuals who discontinue new slimming jabs like semaglutide or tirzepatide may regain reduced body mass far faster than those who stop conventional diet and exercise plans.
Published data in a prominent medical journal demonstrates that while overweight individuals can lose a large proportion of their total mass while using the jabs, the mass comes back at an average rate of nearly a kilo each month upon discontinuation.
"Users purchasing these medications must be informed of the risk of quick rebound weight gain when the therapy ends," warns lead investigator Dr. Susan Jebb.
Such speed of regain means a reversion to original weight within about one and a half years.
Comparing Approaches
The analysis, which examined 37 of trials involving over 9,000 of patients, contrasted the effects of the injectable medications with other pills.
The team point out that individuals who shed pounds through lifestyle changes alone usually see a more gradual creep back—around 100 grams monthly—after stopping.
Understanding the Quick Regain
Nutrition scientists believe the mechanism of the injections explains the heightened weight return.
These medications imitate a body's own chemical called glucagon-like peptide-1, which controls appetite.
"Sustained high doses of GLP-1 concentrations far above than normal may cause the system to generate a reduced amount of its own natural hormone, and may also diminish responsiveness to its actions," explained Dr. Adam Collins, a nutrition researcher.
"Discontinuation of this GLP-1 'fix' means hunger is uncontrolled, making excessive eating a significant risk."
A Lifelong Condition?
Medical guidelines recommend the injections for people with weight-linked medical conditions, accompanied by prescribed diet and exercise modifications.
Many experts say that, due to the likelihood of weight regain, the therapy is often life-long.
This opinion is echoed by drug manufacturers, who say that the findings "highlight the long-term nature of obesity," akin to managing diseases like hypertension.
Patient Accounts
Users who have stopped the medication report a sudden return of cravings.
"It was like a switch flipping and you become ravenous," said one woman.
This challenge is worsened if users have not adopted permanent lifestyle or habit modifications during treatment.
Significant Interest
Figures suggest that a significant number of people in the UK have used weight-loss jabs in the last 12 months, with desire continuing to grow.
- Use is higher among women compared to men.
- The 40s and 50s age group shows the greatest usage rates.
- A large proportion obtain the medications through private prescriptions rather than public health services.
Finally, clinicians emphasize that while GLP-1 drugs are potent agents for weight loss, they are not a permanent solution and maintained weight loss hinges on ongoing lifestyle support.
