Nci Dr Hans Nieper Magnesium Orotate 100 tab - Magnesium is needed by every cell in the body. It"s found in bones, organs and tissues. More than 300 biochemical reactions require magnesium. It"s essential for bone development and maintenance, muscle and nerve function, cardiovascular health and energy metabolism. In this formula from Advanced Research, potassium is combined with orotic acid to increase bioavailability.