Selenium is a micro nutrient which is important for many aspects of our biological health and occurs naturally in our foods. This mineral has strong antioxidant properties and plays a major role in thyroid function, also it has been shown to be useful for the immune system. When paired with vitamin E it is used as a dietary aid to combat COPD and some types of arthritis.
This should not be taken in large doses, which is a typical rule of thumb when dealing with many mineral supplements, it is toxic when taken in excess. However it is naturally found in Brazil nuts, mushrooms, and many other foods.
Here are some of the benefits of selenium supplements:
Especially useful in conjunction with other supplements