Vitamin A

Vitamins are substances that your body needs to grow and develop normally. Vitamin A plays a role in your

  • Vision
  • Bone growth
  • Reproduction
  • Cell functions
  • Immune system

Vitamin A is an antioxidant. It can come from plant or animal sources. Plant sources include colorful fruits and vegetables. Animal sources include liver and whole milk. Vitamin A is also added to foods like cereals.

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Results 1 - 10 of 3,709 for vitamin a
  1. Vitamin A (National Library of Medicine)  
    ... your body needs to grow and develop normally. Vitamin A plays a role in your Vision Bone growth Reproduction Cell functions Immune system Vitamin A is an antioxidant. It can come from plant ...
    https://medlineplus.gov/vitamina.html - Health Topics
  2. Vitamin A From the National Institutes of Health (National Institutes of Health, Office of Dietary Supplements)  
    ... Supplement Fact Sheets > Vitamin A > Vitamin A - Consumer Vitamin A Fact Sheet for Consumers Have a question? Ask ... professional fact sheet on Vitamin A . What is vitamin A and what does it do? Vitamin A is ...
    https://ods.od.nih.gov/factsheets/VitaminA-Consumer - Drugs and Supplements
  3. Vitamin A (Harvard School of Public Health)  
    Vitamin A can’t give you superpowers of night vision or cure your dependence on glasses, but an ...
    https://www.hsph.harvard.edu/nutritionsource/vitamins/vitamin-a - External Health Links
  4. Vitamin A Test (American Association for Clinical Chemistry)  
    Vitamin A testing is used to help diagnose vitamin A deficiency or toxicity.
    https://labtestsonline.org/tests/vitamin-a - External Health Links
  5. ClinicalTrials.gov: Vitamin A From the National Institutes of Health (National Institutes of Health)  
    Vitamin A/Clinical Trials ... Vitamin A
    https://clinicaltrials.gov/search/open/intervention="Vitamin+A" - External Health Links
  6. Hypervitaminosis A 
    ... a disorder in which there is too much vitamin A in the body. ... Vitamin A is a fat-soluble vitamin that is stored in the liver. Many foods contain vitamin A, ...
    https://medlineplus.gov/ency/article/000350.htm - Medical Encyclopedia
  7. Vitamin A 
    Vitamin A is a fat-soluble vitamin that is stored in the liver. There are two types of vitamin A that are found in the diet. Preformed vitamin ...
    https://medlineplus.gov/ency/article/002400.htm - Medical Encyclopedia
  8. Vitamin A blood test 
    The vitamin A test measures the level of vitamin A in the blood. ... if you have too much or too little vitamin A in your blood. (These conditions are uncommon in ...
    https://medlineplus.gov/ency/article/003570.htm - Medical Encyclopedia
  9. Vitamin A benefit (image) 
    Vitamin A, also known as retinol, is essential to the formation of visual purple in the retina, which ... in dim light. Beta carotene, the precursor to vitamin A found in vegetables, has antioxidant properties, which means ...
    https://medlineplus.gov/ency/imagepages/18096.htm - Medical Encyclopedia
  10. Vitamin A source (image) 
    Like most vitamins, vitamin A may be obtained in the recommended amount with a well-balanced diet, including some enriched or fortified foods.
    https://medlineplus.gov/ency/imagepages/18097.htm - Medical Encyclopedia
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