If the human body wants to maintain health and normal operation of body functions, it must have a supply of nutrients, and what are the seven major nutrients needed by the human body.
First, protein. The components of human tissue contain proteins, regulate physiological functions, maintain body fluid osmosis pressure and pH; supply energy, etc. are the effects of proteins on the human body. Eggs and other foods contain a lot of protein, the amino acids contained in the human body is very similar to the substances needed by the human body, it is recommended to eat 1 egg a day.

2. Lipids. Lipids contain fat, cholesterol, etc., mainly to supply energy; protect various tissues and organs; promote the absorption of fat-soluble vitamins in the intestine, and also promote human metabolism.
Third, carbohydrates. Carbohydrates are commonly known as sugars, in our total intake, there are about from carbohydrates, it is the source of energy for the human body, but also has the effect of regulating blood sugar, usually we
Eat rice, steamed buns and other foods, the carb content is high.
Fourth, water. Water accounts for 70% of the body's mass, maintains metabolism, the discharge of metabolic waste, maintains the regulation of body temperature, normal and strenuous exercise, the body's daily water intake is 1200 ml.
5. Vitamins. It is an organic compound necessary for maintaining good health, which are fat-soluble and water-soluble. The body cannot synthesize vitamins, but is involved in the regulation of body metabolism.
6. Minerals. It is a necessary micronutrient for the human body, and mineral deficiency is easy to cause many diseases. Such as iron deficiency can lead to anemia.
7. Dietary fiber. Dietary fiber can help regulate the stomach and intestines, but also allow us to have a feeling of fullness, suitable for weight loss people to increase satiety. The main sources are grains, fruits, etc.