Selenium is an essential trace mineral and functions as part of the antioxidant enzyme glutathione peroxidase.  It is bonded to the essential sulfur amino acid, methionine, in a naturally occuring form as found in the diet. 
Suggested Use:As a dietary supplement, take one tablet daily, preferably with meals 
Warnings:
                                                                              do not exceed one capsule
                                                                              daily except under the
                                                                              guidance of a health care
                                                                              practitioner. Persons living in
                                                                              areas of high soil selenium,
                                                                              such as the Dakotas, should
                                                                              consult a physician prior to use
 Free Of: sugar, salt, milk, preservatives, corn, wheat, yeast, soy, colors.
 Other Ingredients: cellulose, stearic acid, magnesium stearate 
 Potency: 
200 MCG