Selenium is a mineral that is essential for fighting infections, thyroid function, hormone metabolism, and cellular health. It is found in foods and supplements. About 25% to 46% of the body’s ...

Selenium-rich foods, from Brazil nuts to tuna, help maintain thyroid hormone balance, antioxidant defenses, and immune function when consumed in safe amounts. Balancing intake matters: too little ...

Selenium is a trace mineral that our bodies need to maintain good health. It's found naturally in soil and many foods. Consuming selenium helps with thyroid function, immune health, and defends our ...

Selenium is found in foods like seafood, whole grains, eggs, dairy and Brazil nuts, among others. Dietary selenium was also associated with lower heart attack and coronary heart disease risk. Selenium ...