The first one is with antioxidant effect, selenium nutrition tablets contain some ingredients can reduce the damage of free radicals on the body, but also can promote cell metabolism, to prevent the speed of skin aging, for ultraviolet rays on the skin of the sun also has a significant role in the repair of the body can protect the body from the damage of free radicals. The second is with antioxidant effect, selenium nutrition tablets contain some ingredients can reduce the damage of free radicals on the body, but also can promote cell metabolism, to prevent the speed of skin aging, for ultraviolet light on the skin sunburn also has obvious repair effect, can protect the body from free radical damage. The third one is that it has the effect of promoting fat metabolism, selenium can participate in the body's metabolism, and can promote the secretion of thyroid hormones, which is conducive to improving fat metabolism. This is about the role of selenium nutritional tablets. In addition, in our life, for people with bad liver, they also take selenium nutrition tablets to protect the liver, and can prevent the occurrence of fatty liver and alcoholic liver and other diseases.