You may have never heard of selenium, but this essential trace mineral is vital to your health. It plays an important role in many bodily processes, including metabolism, thyroid function, and heart ...

Selenium is vital for the thyroid gland and immune system. A deficiency can cause tiredness, hair loss, recurring sickness, muscle weakness, and brain fog. Eating selenium-rich foods such as Brazil ...

Selenium is a mineral found in the soil. It naturally appears in water and some foods. While people only need a very small amount, selenium plays a key role in your metabolism. Brazil nuts are are one ...