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What it’s good for
Selenium is a trace mineral that is essential for preventing cellular damage, regulates thyroid function, and maintaining the immune system.

Where to find it
Tuna, beef, turkey, chicken, cod fish, cottage cheese, fortified oatmeal, walnuts, rice, eggs, soy, wheat, corn.

How to take it
Recommended dosage: 40 to 70 mcg (adult males); 45 to 55 mcg (adult females)

High amounts of selenium in the blood stream can result in a condition called selenosis. The symptoms of selenosis are stomach upsets, hair loss, white blotchy nails, garlic-like breath odor, fatigue, irritability, and mild nerve damage.