Caruso’s Vitamin K2+Ubiquinol is a 2-in-1 formula which combines heart, energy and bone health benefits in a convenient, one-a-day capsule.The cardiovascular system is made up of the heart, lungs and blood vessels all working together to supply the cells of your body with oxygen and nutrients and remove carbon dioxide and other waste products. Caruso’s Vitamin K2+Ubiquinol contains two nutrients to support the health of the cardiovascular system.