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.
Juicing for the kidneys also helps people who suffer from kidney stones by diluting the urine and breaking up the stones. A kidney cleanse with juice is basically a fast where you will drink high quantities of fruit and vegetable juice and water over a period of three to ten days. Fruit juices that are generally used are apple juice, lemon juice, lime juice and cranberry juice.