Retinol is in the vitamin A family. It or other forms of vitamin A are needed for eye sight, maintenance of the skin, and human development. It is converted in the body to retinal and retinoic acid through which it acts. Dietary sources include fish, dairy products, and meat.
Fruit juice can be helpful for children who are constipated and fruit juice diluted with fluoridated water is a good way to get your child fluoride if he doesn't like to drink plain water. American Academy of Pediatrics. Policy Statement. The Use and Misuse of Fruit Juice in Pediatrics.
Most of us drink between 16-and-36 ounces of green juice. 16 ounces of apple juice or orange juice contains 220 calories. Apple juice and orange juice are the most calorically dense juice. That is, it has more calories per ounce than any other juice.