<prompt> Daily requirement of Vitamin - A by an adult man is:350 mcg100 mcg600 mcg2000 mcg  <response>: Vitamin Recommended daily requirement Vitamin A 600 mcg retinol Vitamin B1 Thiamine 1.4 mg Vitamin B2 Riboflavin 1.6 mg Vitamin B3 Niacin 18 mg Vitamin B5 Pantothenic acid 10 mg Vitamin B6 Pyridoxine 2 mg Vitamin B9 Folic acid 100 mcg Vitamin B12 Cobalamin 1 mcg Vitamin D 100 IU 2.5 mcg calciferol Vitamin E Tocopherol 0.8 mg per gm of essential fatty acids Vitamin K 0.03 mg per kg 