Dietary Supplement. From Okinawa, Japan. Enhanced formula - 33% more coral calcium. Calcium to magnesium at 2:1 ratio. The pure waters of Okinawa, Japan are among the world's richest source of natural coral calcium. Barefoot Coral Calcium Complete is a holistic source of minerals. (These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.)