Water solublevitamins 1 Vitamin C = Ascorbic acid 2 The B complex vitamins • Thiamine [B1] • Riboflavin [B2] • Niacin [B3] • Pantothenic acid [B5] • Pyridoxine [B6] • Biotin [B7] • Folic acid [B9] • Cobalamine [B12]