The 12 b vitamin is one of the b vitamins that are essential to maintain a healthy body. Otherwise known as Cobalamin, the 12b vitamin is needed for the processes to convert the carbohydrates, fats and proteins from food into energy. 12 b vitamin also, more importantly, helps keep the red blood cells healthy and therefore prevent heart disease as well as keeping the immune system functioning at its maximum level. In addition, 12 b vitamin is used to create the protective covering of all nerve cells in the body. The most important function of 12 b vitamin is to form healthy red blood cells. However, all cells need 12 b vitamin to keep them healthy. It is the white blood cells, amongst others, that need 12 b vitamin to help ensure that the immune system functioning properly. All of the nerve cells in the body also need 12 b vitamin to form their protective fatty layer. This is essential for all of the nerves but is especially so for those in the brain. If the...