BIOMOLECULES AND ENZYMES

Detailed explanation-1: -It occurs naturally in food and your body can also produce it when your skin is exposed to sunlight. Yet, aside from fatty fish, there are few foods rich in vitamin D. What’s more, most people don’t get enough sun exposure to produce adequate vitamin D.

Detailed explanation-2: -Oranges are one of the fruits rich in Vitamin D as its juice is fortified with calcium & vitamin D. This is one of the best sources of vitamin D for people who are lactose intolerant and cannot include milk & dairy products in their diet.