cfd5bd82_r_chemical_names_and_functions__Functions
[Vitamins] B12 [Chemical Names] Cyanocobalamin; Methylcobalamin [Functions] 
it is a water-soluble vitamin and is frequently used in combination with other B vitamins. It helps maintain healthy nerve cells and red blood cells. It is also used to treat pernicious anemia
vitamins, their chemical names and functions
Functions