What is Vitamin C? Vitamin C plays an important role in a number of bodily functions including the production of collagen, L-carnitine, and some neurotransmitters. What are B Vitamins? B vitamins are important for making sure the body's cells are functioning properly. Ingredients: Inuline, acidifying agents (malic acid), flavouring agents, vitamin complex*colouring agents (E163c), sweetener (sucralose), anticaking agent (silicon dioxide)