Every100g of egg contains11~15g of fat, which is mainly concentrated in yolk and easily digested and absorbed by human body. Egg yolk is rich in lecithin, sterol, egg yolk, calcium, phosphorus, iron, vitamin A, vitamin D and B vitamins. These ingredients are of great benefit to improving the function of the nervous system.

2. Beef

Beef contains zinc and magnesium. Zinc is an antioxidant, which helps to synthesize protein and promote muscle growth. Zinc, glutamate and vitamin B6*** have the same function: it can strengthen the immune system. Magnesium can support the synthesis of protein, enhance muscle strength and, more importantly, improve the efficiency of insulin anabolism.

3. Chicken

There are many kinds of chickens, but as a beauty food, black-bone chicken is the best. It is sweet in nature and contains protein, fat, thiamine, riboflavin, nicotinic acid, vitamin A, vitamin C, cholesterol, calcium, phosphorus and iron.

4. Fish

Fish is rich in vitamin A, iron, calcium, phosphorus and so on, and is rich in complete protein. Fish contains a lot of protein, such as yellow croaker 17.6%, hairtail 18. 1%, mackerel 2 1.4%, silver carp 18.6% and carp/kloc-. Protein contained in fish is completely protein.

5. milk

Milk and its products are one of the important sources of protein, calcium, phosphorus, vitamin A, vitamin D and vitamin B2 in the diet.

Fresh milk is a complex emulsion, which is mainly composed of water, fat, protein, lactose, minerals and vitamins. The moisture content accounts for 86%~90%, so its nutrient content is relatively low compared with other foods. The average specific gravity of milk is 1.032, which is related to the solid content in milk.

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