He amount of calories and protein that your teenager needs each day depends on his age and weight in kilograms. Divide your teenager's weight in pounds by 2.2 to figure out what he weighs in kilograms (kg). The calories and protein needed for growth are higher if your teenager is active in sports or fitness programs. Ask your caregiver what a good weight is for your teenager at each phase in his growth. They can help you raise or lower calorie intake to stay at the best weight.Caloriesabout 45 to 55 calories per kg
Proteinabout 1 gram per kgVitamins and minerals: You does not need to take extra vitamins or minerals if he eats a balanced diet. Ask your caregiver before giving your teenager any vitamin or mineral supplements.