Pure Encapsulations Potassium Magnesium Asparate offers this powerful duo in a convenient vegetarian capsule. Potassium and magnesium provide wide range support for numerous physiological functions, including nerve function, nutrient metabolism, bone health, muscle function and cardiovascular health. Magnesium also plays an important role in facilitating potassium utilization, helping to provide optimal support from this important combination. Free of allergens, GMOs and added excipients.