Vitamin A is stored in: (A) Retina, (B) Liver, (C) Bone, (D) Kidney
Answer is B. The liver contains ~90% of the vitamin A reserves and secretes vitamin A in the form of retinol, which is bound to retinol binding protein.Ref: Harrison&;s Principles of Internal Medicine; 19th edition; Chapter 96e; Vitamin and Trace Mineral Deficiency and Excess