Medically reviewed by Dr. Gonçal Lloveras specialist in weight lossPublished on 23 March 2026Updated on 5 October 2026
Quick guide to losing weight effectively
Losing weight is not just about cutting calories, but about applying sustainable strategies tailored to each person.

Losing weight is not just about cutting calories, but about applying sustainable strategies tailored to each person. In this guide we look at the most commonly used methods and which is currently the most effective option when carried out with professional follow-up.
Why is it important to lose weight the right way?
Healthy weight loss improves your appearance and reduces risks associated with:
- Cardiovascular disease
- Type 2 diabetes
- Joint problems
- Chronic fatigue
The wrong approach can lead to a rebound effect, loss of muscle mass or metabolic problems.
The most common weight loss methods
Diet and nutritional re-education
This is the foundation of any weight loss process.
Advantages:
- Sustainable in the long term
- Improves habits
- Low risk
Limitations:
- Slower results
- Requires consistency
Physical exercise
It complements diet and improves body composition.
Advantages:
- Increases calorie expenditure
- Improves overall health
- Helps maintain results
Limitations:
- Not always enough on its own
- Requires adherence
Gastric balloon
A non-surgical method that reduces the capacity of the stomach.
Advantages:
- Relatively fast weight loss
- Minimally invasive procedure
Important limitations:
- In many cases it causes rejection or intolerance
- Frequent nausea and discomfort
- Results vary from patient to patient
Pharmacological treatment for weight loss
Pharmacological treatment for weight loss has become one of the most effective alternatives when carried out under medical supervision.
Advantages:
- Works by regulating appetite and satiety
- Improves adherence to treatment
- More consistent results
Important: it is not a stand-alone solution; it must be combined with healthy habits.
What is the best way to lose weight?
There is no single solution that works for everyone. However, current evidence shows that:
The combination of pharmacological treatment + professional follow-up + a change of habits is one of the most effective strategies.
Especially in cases where:
- There is persistent excess weight
- Other methods have failed
- Additional support is needed to control appetite
Losing weight effectively requires a comprehensive approach. Although methods such as diet and exercise are fundamental, options such as pharmacological treatment, when combined with professional follow-up, offer superior, more sustainable results.
Frequently asked questions
Is a gastric balloon a good option?
It can be useful in some cases, but many people experience rejection or adverse effects that limit its effectiveness.
How long does it take to see weight loss results?
It depends on the method, but with a combined approach results are usually visible within a few weeks.