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.
Juices and Fruit Smoothies. Juices can be fresh pressed from fruits, or they can be comprised of water and sugar or high-fructose corn syrup and called fruit drinks. From a nutritional standpoint, the latter are no better than soda. Even 100 percent fruit juices, which sound nutritious, aren't healthy to drink too frequently.