Methionine, also known as methionine, is a type of amino acid that is a very important component in the synthesis of proteins. Firstly, it has a protective effect on the heart muscle and also has an antidepressant effect. Secondly, methionine can produce taurine through transsulfuration, and taurine has a very obvious hypotensive effect. Once again, methionine has a very good protective and detoxifying function for the liver, so it is often used clinically for the treatment of liver diseases such as cirrhosis, fatty liver, and various acute and chronic viral hepatitis, all of which have very good effects. In addition, it can also prevent and treat metal and non-metal damage to the human body. In life foods like sunflower seeds, dairy products, yeast, and seaweed are very high in methionine.