Fresh analysis reveals that individuals who come off new weight-loss injections like semaglutide or tirzepatide may regain lost weight much more quickly than those who halt conventional lifestyle regimens.
Research printed in a major health publication shows that while overweight people frequently drop substantial amounts of their total mass while on the medication, the mass is regained at an average rate of nearly a kilo each month once they quit.
"Users buying such treatments should be aware of the danger of quick weight regain when the medication ends," warns lead investigator Dr. Susan Jebb.
This pace of regain means a reversion to original weight within about a year and a half.
Analyzing Treatments
The study, which looked at dozens of studies involving thousands of participants, compared the results of the injectable medications with older methods.
The team point out that people who lose weight through diet and exercise generally experience a less rapid weight regain—around 100 grams monthly—after stopping.
Explaining the Rapid Rebound
Experts propose the mechanism of the drugs explains the accelerated regain.
These medications imitate a natural hormone called GLP-1, which helps regulate appetite.
"Artificially providing the hormone concentrations far above than the body's typical production might result in the system to generate a reduced amount of its own natural GLP-1, and could reduce responsiveness to its actions," explained Dr. Adam Collins, a nutrition expert.
"Discontinuation of this GLP-1 'fix' results in appetite is unsuppressed, making binge eating a significant risk."
A Lifelong Issue?
Health authorities suggest the injections for individuals with weight-linked medical conditions, alongside prescribed lifestyle changes.
A number of clinicians contend that, due to the high risk of relapse, the therapy might need to be ongoing.
This opinion is reinforced by drug manufacturers, who state that the results "emphasize the persistent character of excess weight," akin to managing diseases like high blood pressure.
Patient Accounts
Individuals who have come off the jabs explain a powerful return of appetite.
"I experienced a trigger that goes on and you're instantly ravenous," said one woman.
This challenge is exacerbated if users have not developed lasting dietary or behavioural changes during treatment.
Growing Adoption
Recent estimates indicate that a significant number of adults in the UK have tried weight-loss jabs in the past year, with demand remaining high.
- Use is higher among women than men.
- The middle-aged demographic shows the highest level of interest.
- Many obtain the drugs through private prescriptions rather than the NHS.
In conclusion, clinicians caution that while these medications are powerful agents for weight loss, they are not a standalone fix and long-term success relies on ongoing behavioural support.
