Formula CV combines the cardio-protective qualities of hawthorn berry along with other essential nutrients that support the structure and function of the cardiovascular system. Taurine is the dominant amino acid found in heart muscle and carnitine plays a critical role in the transport of long-chain fatty acids in to the mitochondria. Potassium and magnesium play important roles in the contraction and relaxation of the heart muscle. Vitamin E provides vital antioxidant protection and, with selenium, helps protect the integrity of blood vessels.