The various types of nutrients in our food are carbohydrates, fats, proteins, vitamins and minerals.
Carbohydrates: Major source of energy for the body. They provide about 4kcal per gram.
Proteins: They do most of the work in cells and are required for the structure, function, regulation and repair of the body's tissues and organs. They also help our body to fight against infections. They help in the formation of nails, hair and muscles.
Fats: Fats provide energy to the body. Compared to carbohydrate and protein, each gram of fat provides more than twice the amount of calories (9 kcal per gram).
Vitamins: Vitamins help to regulate chemical reactions in the body. They help in protecting our body against diseases.
Minerals: Minerals are components of foods that are involved in many body functions. They are essential for proper growth of the body and maintenance of good health.