2. Oysters are very rich in nutritional value. It contains 18 kinds of amino acids, glycogen, B vitamins, taurine and nutrients such as calcium, phosphorus, iron and zinc. Eating oysters often can improve our body's immunity. Taurine contained in oysters can reduce blood fat and blood pressure, which is the gospel of the elderly. It can also relieve symptoms such as irritability, insomnia, dizziness and nausea caused by yin deficiency and yang hyperactivity. The vitamins and minerals contained in oysters can regulate nerves and stabilize emotions. Because oysters are slightly cold, they are more beneficial to people with hyperacidity or gastric ulcer. The content of calcium in oysters is even close to that of milk, and the content of iron is 2 1 times that of milk. Eating oysters regularly can promote bone growth and keep fit.