Pyridoxine (vitamin B6) belongs to the water-soluble vitamins.nPyridoxine plays an important role in the activity of various enzymes, which are necessary for the breakdown and utilization of proteins, sugars and fats from food and for the conversion of stored sugars in the liver and muscles into energy, for the normal function of the central nervous system and the skin. Vitamin B6 is important for the formation of red blood cells and antibodies.