Supports a number of physiologic functions, including cardiovascular health and muscle function. Potassium and magnesium are essential for healthy nerve impulse function, muscle contraction, cardiovascular function, acid/alkaline balance and nutrient metabolism. Magnesium also plays an important role in facilitating potassium utilization, helping to provide optimal support from this important combination. Potassium and magnesium provide key roles in heart, muscular, and nerve health.