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.
Limit fruit juice to a small (150ml) glass a day from juice, smoothies or both. Remember to keep it to mealtimes, as it can cause tooth decay. Watch out for drinks that say juice drink on the pack, as they are unlikely to count towards your 5 A DAY and can be high in sugar.