All of the B vitamins are essential for a number of different processes. Without sufficient B vitamins the blood supply would not be healthy and this leads to a variety of illnesses and diseases. The brain needs B vitamins to function correctly and the heart also needs B vitamins to stay healthy and prevent heart disease and food is broken down into the various nutrients by B vitamins. In fact, just about every organ and process within the body requires at least one form of the B vitamin. Riboflavin, or B2, is the B vitamin that is essential for releasing the enrgy from food that has been consumed. Without this B vitamin the body cannot grow or develop properly as red blood cells will not be as healthy as they should be. Folic acid, or B9, is the essential B vitamin for aiding in cell growth and division, especially during pregnancy. This B vitamin is also necessary to make natural chemicals which control the appetite, moods and quality of sleep. It is also the best B vitamin for helping lower the chances of suffering a heart attack or stroke by keeping the arteries open. This B vitamin is also vital in forming the protective covering of nerve cells and to keep red blood cells healthy, and help prevent heart disease.