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.
Apple cider and apple juice in the USA differ only in that juice is filtered to remove apple particles and is thus clear. In some countries, cider refers to a fermented wine-like drink made from crushed and ground apples or pears. In the USA, the term hard cider distinguishes this alcoholic beverage.