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.

Cobalamin, or B12, is one of the B vitamins that is important in the process of converting the carbohydrates, proteins, and fats into energy. 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.