If you are looking for a useful vitamin which is favourable to your heart and maintains your vitality at the highest level, then Swanson Vitamin B12 is certainly your answer! Vitamin B12 is often synonymous with energy as it contributes to the formation of red blood cells which carry oxygen throughout the body. Furthermore, it promotes the health and proper functioning of the cardiovascular system by working together with folic acid and vitamin B6 to reduce the harmful homocysteine. Vitamin B12 is useful for absolutely everyone, but its intake as a supplement will be vital for those of you who do not consumeproducts of animal origin which are the natural source of sufficient Vitamin B12 levels.