What is the most important nutritional issues for children of school age?

After the age of four years, the energy required per kilogram of body weight of the child is reduced, but the total daily amount of calories required increases as the child grows. From the age of 4 years until puberty, the diet is nothing more than the intake of sufficient amounts of calories and essential nutrients that support the slow but steady growth, which is achieved gradually during this period. The diet of some children may contain less than the recommended amounts of iron, calcium and vitamins A, D and C. However, it should be given regular meals and healthy snacks with foods rich in carbohydrates, fruits and vegetables, dairy products, fresh meat, fish, poultry, eggs, legumes and nuts that provide adequate amounts of nutrients and support healthy development without containing many calories.