Users Stopping Weight-Loss Jabs Put On Weight at a Quadrupled Rate Compared to People Using Diet and Exercise

Illustration of medical injection and weighing machine
Weight management often requires long-term strategies.

New research suggests that individuals who stop using new slimming jabs like semaglutide or tirzepatide may regain shed pounds much more quickly than those who stop traditional diet and exercise regimens.

Research printed in a prominent health publication points out that while obese people often shed substantial amounts of their total mass while using the jabs, the mass comes back at an average rate of 0.8 kg per month once they quit.

"Users using such drugs should be informed of the risk of quick rebound weight gain when the treatment concludes," cautioned lead investigator Dr. Susan Jebb.

Such speed of recovery suggests a reversion to original weight in about one and a half years.

Analyzing Treatments

The analysis, which examined dozens of studies involving thousands of patients, contrasted the results of GLP-1 agonists with other pills.

Researchers emphasize that individuals who lose weight through diet and exercise typically have a more gradual weight regain—around 100 grams monthly—after stopping.

Explaining the Rapid Regain

Nutrition scientists believe the way of the jabs is key to understanding the heightened regain.

GLP-1 drugs imitate a natural hormone called glucagon-like peptide-1, which helps regulate feelings of fullness.

"Long-term administration of the hormone concentrations far above than the body's typical production may cause the body to generate a reduced amount of its endogenous GLP-1, and could diminish responsiveness to its effects," said Dr. Adam Collins, a nutrition specialist.

"Stopping of this hormone supplement leads to hunger is no longer kept in check, making binge eating far more likely."

A Lifelong Condition?

Medical guidelines recommend the injections for people with weight-linked medical conditions, accompanied by prescribed lifestyle changes.

Many experts contend that, due to the significant potential of weight regain, the therapy is often life-long.

This perspective is reinforced by drug manufacturers, who note that the findings "underscore the long-term character of obesity," akin to managing conditions like high blood pressure.

Patient Accounts

People who have come off the medication explain a sudden resurgence of hunger.

"I experienced a switch flipping and I was suddenly ravenous," recalled a patient.

This difficulty is compounded if users have not developed sustainable dietary or behavioural changes during therapy.

Widespread Adoption

Recent estimates show that a significant number of people in the UK have tried weight-loss jabs in the past year, with interest continuing to grow.

  • Adoption is more common among females than men.
  • The 40s and 50s age group shows the highest usage rates.
  • A large proportion access the drugs through private healthcare rather than the NHS.

Ultimately, researchers stress that while the jabs are powerful agents for shedding pounds, they are not a magic solution and long-term success relies on combined behavioural support.

Richard Mcdowell
Richard Mcdowell

Elara Vance is an astrophysics enthusiast and science communicator who writes about space exploration and celestial events.