In fact, the content of vitamin B2 in general food is not high, but the internal organs of animals are rich in vitamin B2, especially the liver. As long as you eat 50 ~ 100g of these viscera every day, you can meet the daily needs of children and adolescents for vitamin B2. Other animal foods such as pork, eggs, eels and crabs in aquatic products also contain more vitamin B2. Among plant foods, mushrooms and algae foods such as mushrooms, kelp and laver contain more vitamin B2. For example, Jingkou Mushroom contains 2.53mg of vitamin per 100g, Lentinus edodes contains 1. 13mg, and Lentinus edodes contains 1.59mg, with the highest content of 7.09mg in Yuan Dynasty. The vitamin B2 in kelp and laver is per100g respectively. Other plant foods contain more vitamin B2 in soybeans, peanuts and green leafy vegetables. For example, every100g of soybean contains 0.25mg of vitamin B2, 0.24mg of green beans, 0.25mg of kidney beans and 0.52mg of broad beans (peeled) .. every100g of green vegetables contains 0.08 ~ 0.6 mg of vitamin B2 0.25 If you eat 400 ~ 500g green leafy vegetables every day, you can get a considerable amount of vitamin B2.