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 ...

An estimated 500 million to 1 billion people worldwide are affected by selenium deficiency, according to the World Health Organization (WHO). Researchers at Wageningen University & Research (WUR), ...

Just 3 oz of tuna contains 167% of a person’s daily selenium needs. This recipe pairs a spiced, flavorful tuna steak with a nutritious salsa to offer a balanced meal. A serving of 3 oz of light ...

Selenium is a nutrient that is naturally present in many foods, added to others and is also available as a dietary supplement in pill, powder and liquid form, explains Perri Halperin, a nutritional ...