Water-soluble vitamins of group B need to be replenished daily through food. They contribute to the normal functioning of the nervous system* and to normal energy metabolism*. Particularly rich in vitamin C, the Vitamin B Complex with vitamin C helps reduce fatigue.* Tired, lacking energy, this complex is made for you! *nervous system: biotin/niacin/riboflavin/thiamine/vitamin B6/vitamin B12 contribute to the normal functioning of the nervous system. *energy metabolism: pantothenic acid/biotin/niacin/riboflavin/thiamine/vitamin B6/vitamin B12 contribute to normal energy metabolism.*Vitamin C helps reduce fatigue.