Selenium reduces your risk of breast, colon, liver, skin, and lung cancers. Selenium keeps tumors from growing by helping to build healthy, cancer-fighting white blood cells. Selenium also keeps your arteries clear of dangerous fatty deposits, which makes it an important addition to your therapy after a heart attack. Weakened immune system. Selenium helps build up white blood cells, boosting your body's ability to fight illness and infection.
Selenium also helps with the following.
Much of your selenium comes from dietary sources. Brewer's yeast and wheat germ, liver, butter, fish and shellfish, garlic, grains, sunflower seeds, and Brazil nuts are all good sources of selenium. It's also found in alfalfa, burdock root, catnip, fennel seed, ginseng, raspberry leaf, and yarrow. Selenium is destroyed when foods are refined or processed. You should try eating a wide variety of whole, unprocessed foods.