Vitamins

Vitamin A

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Vitamin A, Retinol, Retinoic Acid

  • Physiology
  • Function
  1. Vision
    1. Forms Carotenoid Proteins
  2. Epithelial Cell function
    1. Forms Glycoproteins
  3. Vitamin A stores
    1. Most of Vitamin A (90%) is stored in the liver and released as needed
  • Preparations
  • Sources
  1. Animal products
    1. Liver (beef liver, cod liver oil)
    2. Chicken meat
    3. Egg yolk
    4. Fish oil
  2. Dairy products
    1. Whole milk
    2. Butter
    3. Margarine fortified with Vitamin A
  3. Dark green leafy vegetables
  4. Yellow-orange fruits and vegetables
    1. Apricot
    2. Cantaloupe
    3. Carrots
    4. Oranges
    5. Papayas
    6. Pumpkin
    7. Squash