(1). Protein

Protein is the basis of all life. It is continuously synthesized and decomposed in the body. It is an important component in the construction, renewal and repair of tissues and cells. It participates in substances. The regulation of metabolism and physiological functions ensures the growth, development, reproduction, inheritance and energy supply of the body. Meat, eggs, milk, fish, and beans are the main nutrients that provide protein.

(2) Fat

Fat is one of the sources of energy. It assists in the absorption, protection and fixation of fat-soluble vitamins (A, D, E, K and carotene) Internal organs, prevent heat loss and maintain body temperature. Oils and fats are the primary nutrients that provide fat.

(3) Vitamins

Vitamins are substances necessary to maintain human health. The amount required may vary. However, because the body cannot synthesize it or the amount is insufficient, it must be taken from food. . There are two types of vitamins: water-soluble (vitamins B, vitamin C) and fat-soluble (vitamins A, D, E, K, etc.). They are essential for the normal growth and development of the human body and the regulation of physiological functions. Vegetables and fruits are the main nutrients that provide vitamins.

(4) Carbohydrates

Carbohydrates are the main energy substance of the human body. More than 70% of the energy required by the human body is supplied by sugars. It is also an important component of tissues and cells. Grains are the main nutrients that provide sugar.

(5) Minerals

Minerals are important components of bones, teeth and other tissues. They can activate hormones and maintain the main hormone system, and have a very important role in regulating physiological functions. . Vegetables and fruits are the main nutrients that provide minerals.

(6) Water

Water is the main component of body fluids in the human body and is necessary to maintain life. It accounts for about 60% of the body weight and has the functions of regulating body temperature, transporting substances, and promoting Chemical reactions and lubrication in the body. The source of water mainly comes from the water we consume every day to maintain the needs of the body.

(7) Dietary fiber

Dietary fiber refers to the components of plants that cannot be digested and absorbed. It is an indispensable factor in maintaining health. It can soften intestinal substances and stimulate the stomach wall. Peristalsis, assisting defecation. And reduce the absorption of cholesterol and glucose in the blood.