Coral calcium is a daily nutritional supplement, it is the live coral after weathering and natural decomposition of coral sand.It contains a very high concentration of calcium, major minerals and trace minerals, and is also known as the sea diamond because of its rich mineral content.These mineral-rich coral sands are constantly produced by natural reefs and then harvested by people.Coral calcium is 24 percent calcium, 12 percent magnesium, and more than 70 other Marine minerals, such as zinc, iron, potassium, manganese, and selenium.These minerals exist in the form of ions, can be immediately absorbed by the human body, the most suitable for the balance of human nutrition metabolism, is a weak alkali health food;The abundance of trace minerals in coral is an important factor in its enormous performance.