New Roots Herbal Heart Mag - Magnesium orotate, the form of magnesium recognized for its cardiac benefits. It helps maintain normal electrolyte balance, which is crucial for contractile function of muscles, especially for the heart. Maintaining an adequate level of magnesium can also prove beneficial for smooth cardiac function during periods of stress. Among the many complementary tasks of magnesium are nutrient metabolism, tissue formation, and the development and maintenance of bones and teeth.