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 ...

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 ...

Selenium supports thyroid hormone production and immune system processes. Some studies link low selenium levels with higher thyroid disease risk, including thyroid eye disease. Studies using 100 ...

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 ...