Nature's way alive! calcium dietary supplement provides 1,000 mg. Of plant-sourced calcium per serving. Our bone formula includes magnesium and vitamin c to help maintain bone density and vitamin d3 to enhance calcium absorption. Each bottle of calcium dietary supplement contains 180 tablets and is gluten-free. country of origin : united states is dairy free : yes is gluten free : yes is wheat free : yes is yeast free : yes size : 180 ct pack of : 1 selling unit : each keywords : biotin;bone;iron;magnesium;multi;osteoporosis;vitamin;zinc