VITAMIN A RETINOL
  • Dosing
    		•
  • Therapeutic Uses
    		•
  • Sources
  • High-Risk Groups
    		•
  • Deficiency Consequences
    		•
  • Toxicity/Side Effects
  • Contraindications
    		•
  • Additional Information
    		•
  • Drug Interactions



    • United States Recommended Dietary Allowances
    Men - 5,000 IU/day, Women 4,000 IU, Pregnant women - at least 5,000 IU,
    Nursing mothers - 6,000 IU, Children - 2000 IU





    Table of Contents Vitamin A Member Doctors TCCA Home Page





    Therapeutic Uses
    Helps with the eyes and integrity of skin, acne, antioxidant, cancer prevention.






    Table of Contents Vitamin A Member Doctors TCCA Home Page





    Sources
    Fish liver oils, Beef liver, sweet potatoes, carrots, spinach, cantaloupe, kale, broccoli, squash, mustard greens, apricots, watermelon, endive leaf lettuce,
    dark green vegetables, yellow fruit, butter/margarine




    Table of Contents Vitamin A Member Doctors TCCA Home Page




    High-Risk Groups
    Alcoholics; Children with cystic fibrosis; Diabetics; Smokers;
    Traumatized and infected patients




    Table of Contents Vitamin A Member Doctors TCCA Home Page





    Deficiency Consequences
    Night blindness, some cancers






    Table of Contents Vitamin A Member Doctors TCCA Home Page





    Toxicity/Side Effects
    Headaches, blurred vision, nausea, vomiting, hair loss, dry rough skin,
    cracked lips, bone/joint pain.




    Table of Contents Vitamin A Member Doctors TCCA Home Page





    Contraindications
    Pregnancy - More than 20,000 units/day of Retinol






    Table of Contents Vitamin A Member Doctors TCCA Home Page





    Additional Information/Precautions
    Vitamin A is a fat soluble vitamin that is stored in the liver.
    Caution in kidney impaired individuals.




    Table of Contents Vitamin A Member Doctors TCCA Home Page





    Drug Interactions
    Cholestyramine and mineral oil may interfere/reduce absorption.
    Oral Contraceptives increase vitamin A levels significantly.





    Table of Contents Vitamin A Member Doctors TCCA Home Page




    References
    1. Chiropractic Nutritional Reference 1987 Edition, James M. Gerber, DC
    2. Facts and Comparisons Drug Information, Updated Monthly, Loose-leaf drug information service
    3. Understanding Vitamins and Minerals, by the editors of Prevention Magazine, 1984