Add Yahoo as a preferred source to see more of our stories on Google. Selenium is found in trace amounts in living organisms, soil and plants. Nazarii Neshcherenskyi/iStock via Getty Images Plus ...

Selenium-rich foods, from Brazil nuts to tuna, help maintain thyroid hormone balance, antioxidant defenses, and immune function when consumed in safe amounts. Balancing intake matters: too little ...

Medically reviewed by Violetta Shamilova, PharmD Key Takeaways While there is no single best time to take selenium for ...

Selenium is a nutrient that plays a crucial role in human health, contributing to the thyroid and immune function, DNA repair, and cardiovascular and cognitive health. It acts as an antioxidant – ...