2. Zinc mainly exists in marine products and animal viscera, and other foods contain little zinc-there is almost no zinc in children's favorite water, staple food and eggs, and there are not many vegetables and fruits containing zinc.
3. Oysters have the highest zinc content. According to laboratory tests, the zinc content in animal foods is generally high, and the zinc content in each100g of animal foods is about 3-5mg, and amino acids produced after animal protein decomposition can also promote the absorption of zinc.