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 ...

He serves on the Executive Board of the American Association for Pharmaceutical Scientists. Selenium is a nutrient that plays a crucial role in human health, contributing to the thyroid and immune ...

Stanleya pinnata, or "prince's plume," takes up large amounts of selenium from the soil. Danita Delimont/Getty Images At first glance, the long, thin leaves and pale green shoots of Stanleya ...