Selenium deficiency refers to not having enough selenium in your system. Symptoms may include fatigue, muscle weakness, and infertility, among others. The amount of selenium in food sources is largely ...

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

When trying to lose weight, it can be tempting to look for supplements that can speed up the process. Selenium is a mineral with many important jobs in your body, one of which is making thyroid ...