Users Coming Off Anti-Obesity Medications Gain Back Weight at a Quadrupled Rate Than People Using Diet and Exercise

A recent study indicates that patients who discontinue blockbuster slimming jabs like Mounjaro or Wegovy may regain shed pounds much more quickly than those who halt traditional lifestyle programs.

Research printed in a prominent health publication shows that while obese individuals can lose substantial amounts of their total mass while on the medication, the weight returns at an estimated rate of 0.8 kg per month upon discontinuation.

"People purchasing such drugs need to be informed of the risk of fast weight regain when the therapy is stopped," cautioned expert Dr. Susan Jebb.

This pace of regain means a return to starting mass in about a year and a half.

Comparing Therapies

The study, which reviewed dozens of studies involving thousands of participants, compared the results of these new drugs with other pills.

Scientists emphasize that individuals who shed pounds through dieting typically have a more gradual weight regain—perhaps 100 grams monthly—after stopping.

Explaining the Quick Rebound

Nutrition scientists propose the mechanism of the injections is key to understanding the amplified rebound.

The injections imitate a body's own chemical called glucagon-like peptide-1, which helps regulate feelings of fullness.

"Long-term administration of the hormone levels far above than the body's typical production might result in the body to generate a reduced amount of its own natural hormone, and may also lessen responsiveness to its actions," noted Dr. Adam Collins, a dietetics researcher.

"Withdrawal of this GLP-1 'fix' means hunger is unsuppressed, making overeating a significant risk."

A Chronic Condition?

Medical guidelines advise the injections for people with obesity-related medical conditions, alongside recommended lifestyle changes.

A number of clinicians say that, considering the likelihood of weight regain, the therapy might need to be life-long.

This opinion is supported by drug manufacturers, who say that the results "highlight the long-term character of obesity," similar to managing conditions like diabetes.

Patient Experiences

People who have come off the medication report a sudden return of appetite.

"It felt as if something activating and you become extremely hungry," recalled a patient.

This difficulty is compounded if patients have not established permanent dietary or behavioural changes during treatment.

Significant Use

Figures show that a significant number of people in the UK have used weight-loss jabs in the past year, with demand being substantial.

• Use is greater among females compared to men.
• The 40s and 50s age group shows the greatest usage rates.
• Many access the medications through private prescriptions rather than the NHS.

In conclusion, researchers caution that while the jabs are powerful tools for weight loss, they are not a permanent cure and maintained weight loss relies on ongoing behavioural changes.