Vitamins are essential for the functioning of the human body. The main part can be consumed via normal diet or produced by the body itself. But in some cases, it can be beneficial to supplement the additional need of selected vitamins, for example vitamin B12 in case of listlessness, with the B12 Sticks from Pharmavital. Vitamin B12 contributes to normal functioning of the nervous system and to the reduction of tiredness and fatigue.