Selenium in Diet

What food source is the nutrient found in?

Good sources of selenium include:

The level of selenium in food depends on the amount of selenium in the soil those foods were grown in. The amount of selenium in some common foods is:

How does the nutrient affect the body?

Selenium's main role is as part of an antioxidant enzyme called glutathione peroxidase. Selenium also works with the antioxidant vitamin E. Having enough selenium can reduce a person's need for vitamin E. They work together to protect the body's cells from free radicals. Free radicals cause damage that can lead to cancer, heart disease, and other health problems. Selenium is essential for normal development of the fetus during pregnancy. It may also protect from the toxic effects of heavy metals, such as lead poisoning.