HERBAL FACTORS - Hawthorn - 60 Capsule(s) - NPN: 80045697 -- Many naturopaths consider hawthorn to be the number one herb for the cardiovascular system. Hawthorn increases the ability of the heart muscle to contract, making the heart a more efficient pump. It increases coronary blood flow and reduces peripheral vascular resistance, helping the blood to circulate to the extremities. Some herbalists recommend hawthorn for restlessness and insomnia.