Fresh analysis reveals that people who come off blockbuster weight-loss injections like Mounjaro or Wegovy can put back on shed pounds at a significantly accelerated pace than those who halt traditional lifestyle regimens.
Published data in a prominent medical journal shows that while obese people often shed substantial amounts of their body weight while using the jabs, the mass is regained at an average rate of nearly a kilo each month once they quit.
"People buying these drugs should be informed of the danger of rapid weight regain when the medication is stopped," stated expert Dr. Susan Jebb.
Such speed of regain suggests a reversion to pre-treatment mass within about a year and a half.
Analyzing Approaches
The study, which examined 37 of studies involving thousands of participants, contrasted the effects of these new drugs with other pills.
Researchers point out that individuals who lose weight through diet and exercise typically have a more gradual weight regain—around 100 grams monthly—once they finish.
Understanding the Fast Regain
Doctors believe the mode of action of the drugs is key to understanding the accelerated rebound.
GLP-1 drugs imitate a natural hormone called GLP-1, which controls hunger.
"Artificially providing GLP-1 levels several times higher than the body's typical production could lead to the system to produce less of its own natural hormone, and could lessen responsiveness to its effects," said Dr. Adam Collins, a nutrition expert.
"Stopping of this GLP-1 'fix' leads to hunger is no longer kept in check, making overeating a significant risk."
An Ongoing Issue?
Health authorities advise the injections for people with weight-linked health risks, alongside recommended diet and exercise modifications.
Many experts say that, given the likelihood of weight regain, the therapy is often life-long.
This perspective is reinforced by pharmaceutical companies, who say that the findings "underscore the long-term character of obesity," comparing it to managing diseases like high blood pressure.
User Experiences
Users who have discontinued the medication describe a powerful return of hunger.
"It felt as if something activating and I was suddenly starving," described a patient.
This challenge is compounded if users have not developed permanent lifestyle or habit changes during therapy.
Growing Adoption
Recent estimates suggest that a significant number of adults in the UK have used these injections in the past year, with interest continuing to grow.
- Use is higher among women compared to men.
- The 40s and 50s age group shows the highest level of interest.
- Many access the medications through private healthcare rather than the NHS.
In conclusion, clinicians caution that while these medications are powerful agents for weight loss, they are not a standalone solution and lasting health benefits likely depends on combined lifestyle support.