This 100% PURE Okinawan Coral Calcium Plus is a highly bio-available form of calcium (meaning that your body is able to utilize the majority of what you consume) due, in part, to the fact that coral calcium contains up to 72 trace minerals that adhere to the molecular carriers and their respective receptor sites in your body. Clinical studies from every major health organization in the world have proven that proper amounts of calcium help to prevent everything from osteoporosis to tooth decay and may provide protection against obesity, kidney stones, high cholesterol and certain cancers.