Fresh analysis suggests that patients who stop using blockbuster GLP-1 drugs like semaglutide or tirzepatide can put back on shed pounds far faster than those who stop conventional diet and exercise regimens.
Research printed in a prominent medical journal demonstrates that while overweight people can lose substantial amounts of their total mass while undergoing treatment, the mass is regained at an average rate of nearly a kilo each month after stopping.
"Individuals purchasing such medications need to be informed of the danger of quick weight regain when the medication is stopped," cautioned researcher Dr. Susan Jebb.
That rate of recovery means a reversion to starting mass in about 18 months.
Weighing Approaches
The research, which reviewed 37 of studies involving over 9,000 of patients, compared the results of GLP-1 agonists with conventional dieting.
The team point out that people who shed pounds through diet and exercise typically have a less rapid weight regain—perhaps 100 grams monthly—after stopping.
The Reason for the Fast Regain
Nutrition scientists suggest the mode of action of the injections accounts for the heightened regain.
These medications imitate a body's own chemical called GLP-1, which moderates appetite.
"Artificially providing GLP-1 concentrations far above than normal could lead to the body to generate a reduced amount of its own natural GLP-1, and could diminish responsiveness to its actions," noted Dr. Adam Collins, a nutrition researcher.
"Withdrawal of this GLP-1 'fix' means appetite is uncontrolled, making overeating much more probable."
A Lifelong Issue?
Medical guidelines advise the injections for individuals with weight-linked health risks, accompanied by recommended diet and exercise modifications.
A number of clinicians contend that, due to the significant potential of weight regain, the therapy is often long-term.
This perspective is reinforced by pharmaceutical companies, who note that the findings "emphasize the long-term character of obesity," similar to managing conditions like hypertension.
Patient Experiences
People who have come off the medication report a powerful resurgence of cravings.
"It was like a trigger flipping and I was suddenly starving," recalled a patient.
The struggle is worsened if individuals have not developed permanent lifestyle or habit modifications during therapy.
Widespread Interest
Survey data suggest that a significant number of people in the UK have tried weight-loss jabs in the last 12 months, with demand being substantial.
- Use is more common among females compared to men.
- The middle-aged age group shows the greatest level of interest.
- Many obtain the medications through private healthcare rather than public health services.
Finally, experts stress that while the jabs are effective agents for weight loss, they are not a magic solution and lasting health benefits relies on integrated lifestyle management.
