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 ...

Our modern, industrial diets can be full of calories but paradoxically low in some important minerals. Having enough of these minerals, such as magnesium, is vital to good physical and mental health.

today, but the mineral selenium is also climbing in popularity. Here's what selenium is, what benefits it provides and the dangers of taking too much. What is selenium? Selenium is a nutrient that is ...