<prompt> Water soluble vitamin is -ThiamineRetinoic acidCholecalciferolTocopherol  <response>: Ans. is a i.e., Thiamine Fat soluble vitamins include Vitamin A Retinol, retinal, retinoic acid, Vitamin D antirachitic vitamin or cholecalciferol, ergocalciferol, Vitamin E Tocopherol and Vitamin K naphthoquinone Fat soluble vitamins are stored in adipose tissue and in liver Hence deficiency manifestations of fat soluble vitamins are relatively rare There is a risk of toxicity of fat soluble vitamins when the intake is increased Water soluble vitamins include Vitamin B1 thiamine, Vitamin B2 Riboflavin, Vitamin B3 Niacin, Vitamin B5 Pantothenic acid, Vitamin B6Pyridoxal, Vitamin B7 Biotin, Vitamin B9Folate, Vitamin B12 cyanocobalamine, and Vitamin C ascorbic acid Water soluble vitamins are not stored and they get lost in urine - the only exception is vitamin B12 which is stored in liver Hence deficiency manifestations are relatively common They dont present with toxicity as they are not stored. 