Pure Herbs Herbal Extracts with herbs which have been historically used to support the Circulatory System consisting of the heart, blood, arteries, veins and capillaries. It primarily pumps blood to and from the heart to supply oxygen to the body. The Circulatory System, also called the cardiovascular system, consists of our heart, blood and blood vessels. It is a system that permits blood to circulate and transport nutrients, oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body to provide nourishment and help in fighting diseases. It also helps to stabilize the body’s temperature and pH levels.