Firstly,Selenium is a natural antidote.Selenium can make detoxification, selenium can bring positive charge and the harmful metal ions combine to form a metal - Se - protein complexes as the non-metallic negatively charged ions in the body, the lesions induced by the metal ions From in vitro, thereby easing the toxic metal ions.
Selenium is essential trace element, selenium deficiency will lead to decreased immunity; selenium long been seen as an important food source of antioxidants. Selenium deficiency in food raises a number of diseases such as cancer, arthritis, immune system dysfunction, etc.