CORALadvantage is a balanced calcium mineral and trace mineral complex with a full spectrum of added nutrients to enhance the absorption and utilization of calcium. Each serving contains 1000 mg of natural marine coral from the coral reefs of Okinawa Japan. The marine coral sands provide a trace mineral rich form of calcium and magnesium in a biologically optimal 2:1 ratio. Bioavailable organic forms of nine additional minerals are added for mineral balance. .Other products from HerbsPro