Supports immune function, thyroid health, and antioxidant protection. It also helps reduce oxidative stress, promotes heart health, and plays a role in cognitive function.

Acts as a powerful antioxidant by supporting the activity of glutathione peroxidase, an enzyme that protects cells from damage caused by free radicals. It also plays a crucial role in thyroid hormone metabolism and enhances the body's immune response.

May cause nausea, hair loss, brittle nails, and in severe cases, selenium toxicity (selenosis), which includes symptoms like garlic breath odor, fatigue, and nervous system issues.