Liver function Choline contributes to normal lipid metabolism and to maintaining normal liver function. antioxidant Vitamin C contributes to normal energy metabolism, to the protection of cells against oxidative damage, helps to reduce tiredness and fatigue and to the normal functioning of the immune system. How to use Take 1 ampoule a day, preferably before breakfast. It can be diluted in water or fruit juice. Alternatively, the ampoule can be diluted in 1.5 liters of water. Drink the preparation during the day.