Selenium (Se) is an essential micronutrient (nutrients needed by the body in small quantities). It is required for its role in antioxidant activity, immunity, and thyroid function.  The natural forms of this nutrient in our body are selenocysteine and selenoproteins. Humans are known to have 25 selenoproteins, with selenoprotein P and glutathione peroxidase (GPx) among […]