Barefoot on Coral Calcium Author:Robert R. Barefoot Robert R. Barefoot, a renowned chemist, presents a powerful argument for the wide-ranging health benefits of marine coral minerals (coral calcium).... Steeped in mystery, folklore, credible testimonials and emerging science, this book describes how coral remnants collected from the Okinawan ocean floor provide a powerhouse of versatile health be... more »nefits of coral minerals and calcium from Okinawa, Japan, when they are used as a dietary supplement.« less