Nutrients are substances found in food that are needed for good health. Your body can't make nutrients,
so they must be supplied by food. During digestion, food is broken down into nutrients, which are absorbed
into your bloodstream and carried to every cell in your body. More than 40 nutrients in food are classified
into six groups: carbohydrates, fats, proteins, vitamins, minerals and water. Each nutrient has a specific
function and they all work together for your good health.
 are the body's main source of energy or calories. Carbohydrates are classified in
two groups: complex carbohydrates (starches) and sugars. Fiber, which is another carbohydrate, aids digestion
and helps fight some diseases but is not a nutrient because it is not digested and absorbed by the body.
 supplies energy and amino acids. Amino acids are building blocks that build, repair, and
maintain every cell in your body.
 also supply energy but they have many other functions. Fats transport nutrients and they are a
part of many body cells. Fats provide storage and insulation for your body. Carbohydrates and proteins that are
not needed for energy are stored as fat.
 trigger many different body processes. These compounds are needed in very small amounts in
the diet to regulate chemical reactions in the body. Each vitamin has a specific job in your body, so one vitamin
can't replace another. Vitamins do not provide energy but they help our bodies use the energy from foods.
 are like vitamins and are used in the body to promote chemical reactions and form body structures.
 is a part of every cell and tissue in the body. Water carries nutrients to cells and removes wastes
products. Water is also needed to help regulate body temperature. Water makes up 55-75% of your body weight.
|