Individuals Coming Off Weight-Loss Injections Gain Back Pounds Far More Rapidly Than People Using Diet and Exercise

Image of pharmaceutical syringe and scale
Obesity treatment involves long-term strategies.

A recent study suggests that people who stop using popular slimming jabs like semaglutide or tirzepatide can put back on reduced body mass at a significantly accelerated pace than those who stop traditional lifestyle regimens.

Research printed in a major medical journal demonstrates that while obese people often shed substantial amounts of their total mass while using the jabs, the mass is regained at an average rate of 0.8 kg per month upon discontinuation.

"Users using these medications must be cognizant of the danger of fast weight regain when the medication is stopped," cautioned researcher Dr. Susan Jebb.

Such speed of recovery means a return to starting weight in about a year and a half.

Comparing Treatments

The research, which reviewed 37 of trials involving over 9,000 of participants, compared the effects of these new drugs with older methods.

The team emphasize that individuals who shed pounds through diet and exercise usually have a slower weight regain—around 100 grams monthly—once they finish.

Understanding the Rapid Regain

Nutrition scientists propose the mechanism of the injections explains the heightened rebound.

The injections imitate a natural hormone 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 might result in the system to generate a reduced amount of its endogenous GLP-1, and may also diminish sensitivity to its actions," explained Dr. Adam Collins, a nutrition expert.

"Withdrawal of this hormone supplement leads to appetite is no longer kept in check, making binge eating much more probable."

A Lifelong Issue?

The NHS recommend the injections for people with obesity-related medical conditions, accompanied by prescribed diet and exercise modifications.

Professionals argue that, given the significant potential of weight regain, the treatment is often ongoing.

This view is reinforced by pharmaceutical companies, who state that the results "highlight the persistent character of obesity," comparing it to managing conditions like diabetes.

User Testimonies

People who have come off the medication describe a powerful resurgence of hunger.

"It felt as if something flipping and you're instantly starving," said one woman.

This challenge is exacerbated if individuals have not established sustainable dietary or behavioural changes during treatment.

Widespread Adoption

Recent estimates suggest that millions of people in the UK have used weight-loss jabs in the last 12 months, with desire remaining high.

  • Use is greater among women compared to men.
  • The 40s and 50s demographic shows the highest usage rates.
  • Many obtain the medications through private prescriptions rather than public health services.

Ultimately, experts emphasize that while these medications are effective agents for shedding pounds, they are not a standalone solution and maintained weight loss relies on ongoing lifestyle support.

Jessica Maxwell
Jessica Maxwell

A travel writer and cultural enthusiast based in Vancouver, sharing firsthand experiences and tips about Canadian adventures.