Nutrients you need for growth and repair, helping you to stay strong and healthy and help to prevent diet-related illness, such as some cancers
Keeping active and eating a healthy balanced diet can also help you to maintain a healthy weight.
Deficiencies in some key nutrients - such as vitamin A, B, C and E, and zinc, iron and selenium - can weaken parts of your immune system.
How to manage your weight Eating a healthy diet that includes lots of fruit, vegetables, and a moderate amount of unsaturated fats can help you maintain a steady weight. Having a good variety of these foods every day leaves less room for foods that are high in fat and sugar - a leading cause of weight gain. Together with exercise, eating a healthy diet in the right proportions can also help you lose weight, lower your cholesterol levels and blood pressure and decrease your risk of type 2 diabetes.