You can reduce your weight up to 2-4 kg per month. Losing weight more quickly can be dangerous.
The healthiest way to lose weight is neither crash diets nor bursts of exercise. The body likes slow changes in terms of food and exercise.
Your body uses food for energy. It stores any excess energy as fat. This means if you eat more food than your body needs for daily activities and cell maintenance, you'll gain weight.
To lose weight, you need to get your body to use up these stores of fat. The most effective way to do this is to: