Losing weight is like math:you have to burn more calories than you take in. Sounds very simple, but we'll explain it to you anyway.
It is important that you always eat enough. Someone who is very active needs more calories than someone who moves little. A nutritionist can help you with tailor-made advice.
Read also: '5 tips to burn more calories'
To lose half a kilo a week you would have to eat 3,500 calories less. This means that the balance should be 500 calories less per day.
It is wise not to cut all those 500 calories a day from your diet. For example, you could eat 250 calories less and burn 250 calories with exercise.
Do you want to take your weight seriously? Then it can help to keep a food and exercise diary. This way you know exactly how many calories you are taking in and burning.