One tablet twice Daily with no additional Vitamin D3 required to achieve maximum optimization of
                calcium absorption.  | 
                Calcium 600mg (from calcium carbonate) and 1000 IU Vitamin D3 in each tablet. OsteoPoretical
                contains 600 IU's more than any other combination product on the market.  | 
                OsteoPoretical offers a simple explanation. One tablet twice
                daily provides the maximum Calcium and Vitamin D3 necessary for your Osteoporosis prevention regimen.  |