In this chapter you will learn about:

♦ The different nutrients and their functions in the body.

♦ The various food sources of all the nutrients.

♦ Importance and distribution of water in the body.

There are six classes of nutrients: carbohydrates (CHO), proteins, fats, vitamins, minerals and water. CHO, proteins, and fats are energy providing nutrients, while vitamins and minerals are needed for energy metabolism. Water is the most abundant nutrient in the body and is essential for the normal functioning of all the organs in the body. All six nutrients will be discussed in detail throughout the chapter.

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