vitamin a…

Medical experts recommend this detailed explanation.

[ Find Organization | Index Page ]

vitamin a benefit, vitamin a source, retinol, carotenoids , vitamin a, fat-soluble vitamin, vitamin a helps form, maintain healthy teeth, skeletal, soft tissue, mucous membranes, skin, retinol, it generates the pigments, in the retina, vitamin a promotes good vision, in dim light, reproduction, breast-feeding, retinol, active type of vitamin a, found in animal liver, whole milk, fortified foods, carotenoids, dark colored dyes found in plant foods that can turn into a form of vitamin a, one such carotenoid is beta-carotene, beta-carotene, antioxidant, antioxidants protect cells from damage, unstable substances, free radicals, free radicals, believed to contribute to certain chronic diseases, play a role, in the degenerative processes seen in aging, recommended daily allowance, rda, vitamin a is international units, iu, adults, -3,000 iu for children, vitamin a comes from animal sources, eggs, meat, milk, cheese, cream, liver, kidney, cod, halibut fish oil, all of these sources, except, skim milk, fortified, vitamin a, high in saturated fat, cholesterol, sources of beta-carotene, carrots, pumpkin, sweet potatoes, winter squashes, cantaloupe, pink grapefruit, apricots, broccoli, spinach, most dark green, leafy vegetables, intense the color of a fruit, vegetable, higher the beta-carotene content, vegetable sources of beta-carotene, free of fat, cholesterol, body regulates the conversion of beta-carotene to vitamin a, get enough vitamin a, more susceptible to infectious diseases, vision problems, get too much vitamin a, can become sick, large doses of vitamin a, cause birth defects, acute vitamin a poisoning, occurs, an adult takes several hundred thousand iu, symptoms of chronic vitamin a poisoning, occur in adults who regularly take more than 25,000 iu a day, babies, children, more sensitive, become sick after taking smaller doses of vitamin a, vitamin a-containing products retinol, found in skin creams, hypervitaminosis a, increased amounts of beta-carotene, turn the color of skin to yellow, orange, skin color returns to normal once the increased intake of beta-carotene is reduced, best way to get the daily requirement of essential vitamins, eat a balanced diet that contains a variety of foods, food guide pyramid ford md, clinical toxicology, 1st ed, philadelphia, pa, wb saunders, 297, institute of medicine, food, nutrition board, dietary reference intakes, vitamin a, vitamin k, arsenic, boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, silicon, vanadium, zinc, national academy press, 2001.