Selenium: The Tiny Mineral with Mighty Health Benefits

Story at-a-glance Selenium is a trace mineral essential for health, supporting immune function, hormone regulation, and fighting oxidative stress Incorporated into 25 selenoproteins, selenium is crucial for antioxidant production, particularly glutathione peroxidase, which neutralizes harmful free radicals and prevents cellular damage Research shows selenium benefits cardiovascular health, with supplementation reducing rates of Keshan disease in deficient regions and supporting overall heart function This mineral plays a vital role in thyroid function by helping convert inactive T4 hormone to active T3, with supplementation improving hormone conversion in those with thyroid disorders Research indicates selenium has anticancer properties, helping normalize tumor vasculature, enhancing cancer treatments, and targeting proteins involved in tumor growth and drug resistance