Selenium is a mineral that is essential for fighting infections, thyroid function, hormone metabolism, and cellular health.

Selenium is a mineral that may support several aspects of human health. Most adults need around 55 micrograms (mcg) per day. Sources include nuts, eggs, and some fish. Selenium is a nutrient that ...

Selenium is one of the "essential" nutrients for humans, meaning that our bodies cannot make it, and so we have to get it from our diet. Without it the heart, joints, eyes, immune system and ...