<prompt> Best source of vitamin D -Fish liverEgg yolkMilkPapaya  <response>: Ans. is a i.e., Fish liver Though vitamin D is synthesised when UV B photons strike 7 dehydrocholesterol of malphigian layer of skin epidermis, vitamin D is still considered as an essential micronutrient because Vitamin D produced from sunlight is not sufficient. Hence we are dependent on vitamin D supplementation in the diet. Natural dietary sources of vitamin D include:1. Fish cod liver - 2200IU200Calorie2. Herring fish - 2000 IU200C3. Salmon Fish - 900 IU200C4. Fortified milk -300 IU200C5. Unfortified milk - 100 IU200C6. Egg Yolk-68IU200 C 