Definition of nutrients:
Nutrients
are the substances in food which provide energy and the raw materials for
healthy growth and cell repair.
E.g.
Proteins, Carbohydrates, Fats. 
Do
u want to know more about nutrients?
Nutrient include
vitamins and minerals. They are called micro-nutrients. The body needs
tiny amounts of them. Vitamins and minerals are found in a wide variety
of foods and most people have plenty if they eat a varied diet. Often they
work together with other nutrients - e.g. bones and teeth need proteins
, calcium and Vitamin D to grow healthy and strong.
