Source Naturals Calcium & Magnesium 300mg 100tabs

Source Naturals¨ Coral Calcium/Magnesium is an excellent source of these two alkaline minerals in an optimal 2:1 ratio. In addition to building healthy bones, calcium plays essential roles in muscle contractions, heartbeat, blood clotting, nerve transmission, and in converting signals from hormones in the blood into actions within cells. Magnesium is involved in over 300 vital cellular processes, and helps to regulate the action of calcium in muscle function and heart health. The vitamin D in this formula supports intestinal absorption of calcium and its optimal use in the body.Source Naturals Coral Calcium/Magnesium is ecofriendly: It is harvested from fossilized (dead) coral and is not harmful to living coral.