Magnesium and calcium are fundamental nutrients that need to be in balance with each other in order for you to fully experience good health. Their importance on a cellular level is critical. Calcium and magnesium are like opposite sides of a coin. Calcium excites nerves, while magnesium calms them down. Calcium helps muscles contract. Magnesium is necessary for muscles to relax. Calcium is needed for blood clotting, but magnesium keeps the blood flowing freely.Important InformationKeep out of reach of children. All product statements on this website have not been evaluated by the Food and Drug Administration. The products on this website are not intended to diagnose, treat, cure, or prevent any disease. Please consult with your physician before taking this product.