A well-balanced diet provides all of the:
- energy you need to keep active throughout the day
- 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.
More about vitamins, minerals and nutrients