People should eat four kinds of food every day, including grains, fruits and vegetables, milk and meat, so that all the vitamins and minerals the human body needs every day are not lacking. Together, these four kinds of food provide seven nutrients the human body needs every day, including water, sugar, protein, fatty acids (from fruits and vegetables and beans), vitamins, minerals and fiber. Therefore, these four kinds of food are collectively called "balanced food". A balanced diet is extremely important to the metabolism of dieters.

A balanced diet refers to eating seven nutrients in four kinds of foods at every meal, but the calories and oils are not over the standard, and the fiber is sufficient. Grains, fruits and vegetables are the main sources of daily heat energy, vitamins and minerals are not lacking, and water is enough, which is also enough in protein.

The starch in grains is the best energy substance for human body; Fruits and vegetables are the main source of fiber; Milk and milk products, in addition to providing protein, are the most important food sources of calcium and magnesium, and also an important source of water; Protein in meat, fish, eggs and beans is an important raw material for human body.

You can decide how many calories you want for breakfast and lunch. You are free to choose what food you want to eat, but if you want to eat all four categories of food, as long as the calories, oil and protein (meat) are not exceeded, there is considerable room for choosing food for each meal; So is dinner.

after the calorie of each meal is determined, the diet can be considered by yourself and varied. This diet can be maintained for a long time, so it has the greatest chance of success.