Preface: white-collars have a lot of pressure at work, which makes them always feel extremely tired. In such a case, the white-collars should pay more attention to daily diet, so as to eliminate the fatigue caused by too much work.

First of all, keep a balanced diet.
A balanced diet must be diversified, so that it can avoid the physical weakness caused by malnutrition. In order to keep a balanced diet, you should follow the following rules: eat one fruit each meal; eat vegetables twice a day; eat starchy food, but don't too much; eat meat, fish or egg once a day; finally, eat some dairy products each meal.

Secondly, appropriately supplement sugar and carbohydrates.
As the most basic nutrient, sugar and carbohydrate are the main source of physical energy. The operation of all the human organs, especially the brain, need to consume sugar and carbohydrate. The most beneficial one is complex carbohydrate, because it will not be consumed by the body very quickly, so it can supply energy to the body for a long time. The following foods all contain a large number of complex carbohydrate: noodles, rice, bread, and so on. However, there is no need to eat these foods every meal, once a day is enough.

Thirdly, take in enough vitamins.
It is well know that vitamin C has an anti-fatigue effect. In addition, it also can help enhance the immune function. Kiwi fruit, citrus fruits and red fruits all contains a lot of vitamin C. Experts point out that, fruits can provide a variety of vitamins and minerals needed by human body. B vitamins and vitamin C are especially important for the maintenance of human intelligence and physique. Folic acid is an indispensible vitamin for the growth and development of human body. It can improve the learning ability and memory. Green leafy vegetables, melon and strawberry contain the highest content of folic acid.

Fourthly, do not forget the absorption of iron.
Many women don't like to eat red meat. However, the iron contained in red meat is the basic component of red blood cells. It can provide enough oxygen to all the human organs. Iron deficiency can lead to anemia and fatigue. The best sources of iron are animal liver, red meat, mussel and so on.

Fifthly, nuts are energy supplements.
After the physical and mental activity, you can eat some nuts, which can quickly supplement energy to your body. As a result, you should often eat some nuts in daily life, such as walnut, almond, hazelnut and so on, which play an important role in eliminating your fatigue.