<P> Vitamin B , also called cobalamin , is a water - soluble vitamin that is involved in the metabolism of every cell of the human body : it is a cofactor in DNA synthesis , and in both fatty acid and amino acid metabolism . It is particularly important in the normal functioning of the nervous system via its role in the synthesis of myelin , and in the maturation of developing red blood cells in the bone marrow . </P>
<P> Vitamin B , also called cobalamin , is a water - soluble vitamin that is involved in the metabolism of every cell of the human body : it is a cofactor in DNA synthesis , and in both fatty acid and amino acid metabolism . It is particularly important in the normal functioning of the nervous system via its role in the synthesis of myelin , and in the maturation of developing red blood cells in the bone marrow . </P>
vitamin b12 is essential for the proper functioning o
vitamin b12 is essential for the proper functioning o
of the nervous system
of the nervous system