It plays a number of different roles in the body such as aiding the reduction of tiredness, assisting in the release of energy from foods and supporting your vitality. Vitamin B12 (as cyanocobalamin), bulking agents: (mannitol, maltodextrin, gum arabic), anti-caking agents: (vegetable stearic acid, vegetable magnesium stearate), cross linked cellulose gum, flavour: natural cherry.