Photograph of carrots

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 3,698 for vitamin a
  1. Vitamin A (National Library of Medicine)  
    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 ... vegetables. Animal sources include liver and whole milk. Vitamin A is also added to foods like cereals. Vegetarians, ...
  2. Vitamin A From the National Institutes of Health (National Institutes of Health, Office of Dietary Supplements)  
    ... Consumer Datos en español Health Professional Other Resources Vitamin A Fact Sheet for Consumers What is vitamin A and what does it do? Vitamin A is ... and dietary supplements is beta-carotene . How much vitamin A do I need? The amount of vitamin A ...
  3. Vitamin A Test (American Association for Clinical Chemistry)  
    ... of this website will be limited. Search Help? Vitamin A Share this page: Was this page helpful? Also ... else I should know? How is it used? Vitamin A testing is used to help diagnose vitamin A ...
  4. Vitamin A and Bone Health From the National Institutes of Health (National Institute of Arthritis and Musculoskeletal and Skin Diseases)  
    ... supported by your browser. Home Bone Basics Nutrition Vitamin A and Bone Health Publication available in: PDF (236 ...
  5. Facts about Vitamin A (University of Florida, Institute of Food and Agricultural Sciences) - PDF  
    ... Nick T. Place, Dean Why Do We Need Vitamin A? Vitamin A is a fat-soluble vitamin essential ... What Happens If We Don’t Get Enough Vitamin A? Inadequate intake of vitamin A can cause night ...
  6. Vitamin A (Harvard School of Public Health)  
    Vitamin A does much more than help you see in the dark. It stimulates the production and activity ... had researchers exploring for years the relationship between vitamin A and cancer. Specifically, researchers looked at whether people ...
  7. ClinicalTrials.gov: Vitamin A From the National Institutes of Health (National Institutes of Health)  
  8. Vitamin A toxicity ... two types of hypervitaminosis A: Acute -- when the vitamin A level in the body suddenly increases over a short period of time Chronic -- when too much vitamin A is present in the body over a longer ...
  9. Vitamin A is a fat-soluble vitamin. Two different types of vitamin A are found in the diet. Preformed vitamin A is found in animal products such as meat, ...
  10. 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 ...
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