'What is Vitamin B12?This high-potency sub-lingual vitamin B12 ticks all the boxes! A tasty berry powder that has been sweetened naturally with tooth-friendly xylitol, it is simply placed under the tongue for optimal absorption. This easy to use formula provides 400ug vitamin B12 in each daily dose. Vitamin B12 is an essential vitamin, needed for many functions in the body including energy production and the reduction of tiredness and fatigue. It is also needed for the normal function of red blood cells, the immune system and the nervous system, as well as normal homocysteine metabolism and psychological function.Why is ours better?Many people, especially as they age, find it difficult to absorb vitamin B12 from food due to digestive issues - our sublingual B12 powder is simply placed under the tongue so that it can absorb through the tissues of the mouth directly into the bloodstream. Also ideal for anyone looking for an alternative to tablets. Sweetened with natural tooth-friendly xy