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 ...

Selsun Blue is best known as an anti-dandruff shampoo, but medically it is a selenium sulfide–based antifungal treatment.

Selenium is found in the soil and in marine bivalves (such as oysters). Levels in the soil are quite high in certain parts of China, Turkestan, and the Western United States. Levels are very low in ...

If there’s one mineral that doesn’t get nearly enough attention in everyday health conversations, it’s selenium. It’s not as flashy as iron or calcium. It doesn’t trend like magnesium or zinc. But for ...

Though selenium is considered a trace mineral—meaning our bodies don’t need a ton of it—it still has an important role to play in our overall health (more on this below). And yes, eating foods rich in ...