Medically reviewed by Allison Herries, RDN Selenium supports thyroid and immune health, and its deficiency is rare but ...

Selenium is a mineral you can consume by eating many foods. It can help support the healthy functioning of your body, including your metabolism, immune system, and thyroid function. Though you may ...

Selenium is a trace mineral that our bodies need to maintain good health. It's found naturally in soil and many foods. Consuming selenium helps with thyroid function, immune health, and defends our ...