Vitamin B12 helps contribute to the reduction of tiredness and fatigue, normal energy metabolism and normal psychological function. It also contributes to normal functioning of the nervous system, red blood cell formation and supports the normal function of the immune system. Boost B12 is stimulant free and contains the most bio-available form of B12 (methylcobalamin) which is a naturally active form found within human metabolism. Specially formulated to delivery vitamin B12 directly int