For those seeking an iron free multiple vitamin and mineral, we now offer the highest potency formula without iron, in special base which provides for the gradual release of ingredients over prolonged period of time. Ultra is the ultimate mega potency multi vitamin and mineral. Ultra offers 100 mg of all the vitamins. plus mega potencies of all other vitamins. In addition, Ultra has the highest potencies and the broadest number of amino acid chelated minerals of any multi vitamin available today. Ultra is truly the ultimate one tablet daily.