As we all know, the role of vitamin B is crucial for normal functioning of the body. To mention a few, it is responsible for promoting cell growth, cell division, skin health, immune system, nervous system, and also, in controlling the bodily metabolic processes. Hence, it is obvious that prolonged deficiency of vitamin B leads to certain health complications. Considering this, supplements are formulated in the form of vitamin B complex tablets and injections in order to combat the risk of vitamin deficiency.