Protein Protein consists of 20 kinds of amino acids. It is resolved into the amino acid in the stomack and the small intestine, and then it is assimilated. This makes bones, muscles, skin, blood, nails, and hair . It is impossible to store a lot of protein at once, so it is necessary to ingest it three times a day. Animal protein ： meat、fish、egg、insect（like a grasshopper ） Vegetable protein ： soybean、adzuki bean、 　　　　　　　　　　　　　fermented soybeans、miso etc・・・ The animal protein contains the essential amino acids which can't be produced in our bodies. It is important to eat well-balanced meals and ingest both proteins, because the animal protein and the vegetable protein are different. Back