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 ...

The global supplement market reached more than $485 billion in 2024, and some six in 10 adults are taking at least one dietary supplement a month, according to the U.S. Centers for Disease Control and ...

Scientists have said limiting the antioxidant effects of selenium could help prevent the spread of triple negative breast cancer. The action of selenium, a key antioxidant found in foods such as ...