Burgerstein Vitamin B12 Boost 100 tabletsBurgerstein Vitamin B12 Boost contributes to the normal functioning of the nervous system and to the reduction of tiredness. It is in high doses and makes sense in the case of great mental and physical stress and a vegan lifestyle, since vitamin B12 is mainly found in animal foods. Vitamin B12 is essential for all cell division and growth processes and, along with folic acid and iron, is primarily responsible for the formation of red blood cells