InterClinical Professional Potassium PlusMaintains Healthy Body Electrolyte Balance Maintains Healthy Cardiovascular System Maintains Healthy Nervous System Function This formula is a nutritional source of potassium and contains vitamin B6 which helps convert carbohydrates, fats, and proteins into energy and also assists in the synthesis of neurotransmitters. This formula also contains beta carotene which is converted into Vitamin A.