Selenium is a mineral that is taken into the body in water and food. It is important for making many body processes work correctly. It increases the action of antioxidants. Used for diseases of the blood vessels including stroke and hardening of the arteries. Also for an underactive thyroid, osteoarthritis, rheumatoid arthritis, macular degeneration, hay fever, cataracts, mood disorders, and HIV.
Hardening of the arteries.