Each of the viridian b complex supplements offers a full array of the b vitamins together with a higher level of a featured b vitamin this supplement features a higher levels of methylcobalamin and cyanocobalamin vitamin b12 b12 contributes to normal homocysteine metabolism and red blood cell formation to the reduction of tiredness and fatigue the energy yielding metabolism to normal psychological function and the functioning of the nervous system vitamin b12 also contributes to the