A trace mineral with a key role to play in metabolism and a healthy immune system.*

  1. Selenium is a chemical element and mineral that comes from the soil and plays an important role in metabolism, cognitive function, and supporting a healthy immune system.* Though selenium can come naturally in your diet, the amount certain foods contain is largely dependent on where the food was grown, since soil conditions vary widely.

  2. Though it's a chemical element and trace mineral, selenium also acts as an antioxidant in the body. It protects against free radicals, which are molecules with unpaired electrons that damage cells in their quest to pair with other electrons. They're often a byproduct of converting food to energy, but they can also come from factors in the environment.