Selenium is a powerful mineral that is essential for the proper functioning of your body. It is an anti oxidant which can be found in beef, prawns, brown rice, cottage cheese, sunflower seeds, eggs, brazil nuts.
It can possibly prevent the following:
Heart disease, cancer, vision loss, asthma, rheumatoid arthritis, thyroid balance, reduces inflammation, immunity with immune disorders, assists with balance of male and female hormones, skin cancer and skin disorders
For skin it assists with acne - when used together with Zinc, fights skin infections, also could have promising affect on wrinkles and loss of elasticity in the skin.
Please note this is educational and its always best to research supplements you are using especially when you are on thyroid medication for example as this product will balance thyroid and some may find it may correct thyroid function, so this will affect the medication you are on.
It is important to decide how you wish to tackle your illness based on knowledge or advise from your natural doctor, especially for those shifting away from conventional medicines.