"The American Academy of Pediatrics recommends that children and adolescents get a daily intake of at least 400 IU of vitamin D daily from food or supplement sources. [For more information, see ???Vitamins??? in Nutrition Basics section of this report.]Cholesterol is a soft, waxy substance that is present in parts of the body, including the nervous system, skin, muscle, liver, intestines, and heart" . . . .