Vitamin A

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

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.

Source: MedLinePlus (NIH)1

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Vitamin A: Retinol and derivatives of retinol that play an essential role in metabolic functioning of the retina, the growth of and differentiation of epithelial tissue, the growth of bone, reproduction, and the immune response. Dietary vitamin A is derived from a variety of Carotenoids found in plants. It is enriched in the liver, egg yolks, and the fat component of dairy products.2

Types

Types may include:3

Types of Vitamin A:

  • Provitamin A Carotenoid
  • Retinol
  • Sumarotene

Anatomy Articles

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Symptom Articles

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  • Growth symptoms: Growth symptoms refers to symptoms regarding the normal process of body growth, and hence is usually related to infants or children. Growth symptoms usually refer to abnormality in the entire ...

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Related Symptom Topics

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References

  1. Source: MedLinePlus (NIH): medlineplus.gov/ vitamina.html
  2. Source: MeSH (U.S. National Library of Medicine)
  3. Source: NCI Thesaurus

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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.