Fresh analysis indicates that patients who come off new weight-loss injections like semaglutide or tirzepatide may regain lost weight at a significantly accelerated pace than those who stop conventional diet and exercise regimens.
Findings released in a major medical journal demonstrates that while obese people often shed about a fifth of their body weight while undergoing treatment, the weight comes back at an estimated rate of 0.8 kg per month after stopping.
"Individuals purchasing these treatments should be cognizant of the risk of quick weight regain when the medication is stopped," stated expert Dr. Susan Jebb.
This pace of recovery implies a return to original mass within about one and a half years.
Comparing Treatments
The analysis, which looked at dozens of studies involving over 9,000 of patients, compared the outcomes of the injectable medications with other pills.
Scientists note that individuals who lose weight through diet and exercise typically see a less rapid weight regain—perhaps 0.1 kg a month—after stopping.
Understanding the Fast Rebound
Experts suggest the mode of action of the jabs accounts for the amplified weight return.
GLP-1 drugs copy a natural hormone called glucagon-like peptide-1, which moderates appetite.
"Long-term administration of GLP-1 levels far above than normal might result in the body to generate a reduced amount of its own natural hormone, and could reduce responsiveness to its actions," noted Dr. Adam Collins, a nutrition researcher.
"Withdrawal of this hormone supplement results in appetite is unsuppressed, making binge eating far more likely."
A Chronic Issue?
The NHS suggest the jabs for people with obesity-related health risks, alongside prescribed diet and exercise modifications.
A number of clinicians say that, given the likelihood of weight regain, the therapy is often long-term.
This perspective is reinforced by drug manufacturers, who note that the results "underscore the chronic character of obesity," similar to managing conditions like diabetes.
Patient Testimonies
Users who have come off the jabs report a intense return of hunger.
"I experienced a switch that goes on and you become extremely hungry," recalled an individual.
The struggle is exacerbated if users have not adopted permanent lifestyle or habit modifications during treatment.
Growing Adoption
Recent estimates indicate that a significant number of adults in the UK have used weight-loss jabs in the last 12 months, with desire continuing to grow.
- Adoption is higher among women than males.
- The 40s and 50s demographic shows the greatest usage rates.
- A large proportion obtain the medications through private healthcare rather than the NHS.
Finally, clinicians emphasize that while these medications are potent agents for weight loss, they are not a standalone solution and lasting health benefits likely depends on ongoing lifestyle management.