The ingredients are the same as our regular Ultra I formula. However, this formula is in a special base which provides for the gradual release of ingredients over a prolonged period of time. Sustained Release Ultra I is the ultimate mega-potency multi-vitamin and mineral. Sustained Release Ultra I offers 100 mg of all the B vitamins, plus mega-potencies of all other vitamins. In addition, Sustained Release Ultra I has the highest potencies and the broadest number of amino acid chelated minerals of any multi-vitamin available today. Sustained Release Ultra I is truly the ultimate one-a-day.*  Note: Unless otherwise noted, this product has not been evaluated by the Food and Drug Administration. Our natural products are not intended to diagnose, treat, cure, or prevent any disease.