There are many foods suitable for supplementing protein, such as eggs, lean meat, bean products, milk, chicken, beef and fish. These foods are rich in protein, far higher than other foods.

Among animal proteins, milk and eggs should be the first choice. These two kinds of food are not only high in protein, but also the best in all protein foods. Moreover, this kind of food is easy to digest, rich in a variety of amino acids, and will not easily cause gout attacks.

Among plant proteins, soybean protein is the first choice, because soybean contains as much as 35% protein, and soybean is easily absorbed by human body, so soybean protein has always been the most respected food from protein for vegetarians. Moreover, soy products also have cholesterol-lowering and anti-cancer effects. Soybean protein is rich in isoflavones, which are compounds similar to human hormones and can be used to inhibit the growth and proliferation of tumor cells caused by hormone imbalance.

In addition, the main source of protein is edible fungi. In order to improve the nutritional value of food rich in protein, we should pay attention to the use of different kinds of animal and plant foods in the process of reasonable arrangement of pregnant women's diet, so that different foods can be matched and play a complementary role. This is the most reasonable way to supplement protein.