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Health Benefits of Vitamin A

By on Oct 21, 2011

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There are many health benefits of vitamin A. It is an essential nutrient for maintaining healthy eyes. This vitamin is fat-soluble and is stored in the liver. Vitamin A is also known as retinol, as it essential to the health of the retina. This vitamin helps us maintain vision, especially night vision. It helps our eyes to adjust when coming in from outside. Vitamin A helps the eye from adjusting from bright light to darkness.

Health Benefits of Vitamin A Vitamin A is not just important for the eye health. It is also essential for maintaining a healthy immune system and healthy skin.  Vitamin A is also vital for the reproductive system, and for healthy growth and development.

Vitamin A helps to prevent infections, sore throats, colds and flu. It is therefore a good vitamin to take throughout the winter months. Vitamin A helps to promote the supply of immune cells that line the airways and the digestive tract.

This vitamin has strong antioxidant action. It can help to prevent the cells from diseases such as cancer, diabetes and arthritis.  Vitamin A can also prevent heart disease and stroke, and help lower cholesterol levels. The vitamin has benefited people who are undergoing radiation or chemotherapy for cancer treatment.

This essential vitamin has the added benefit of slowing the ageing process. Vitamin A is added to many skin creams to reduce wrinkles and to help fade age spots. It is also used to treat acne.
Food sources
Vitamin A is obtained from animal livers, fish, egg yolks, butter and milk. Beta-carotene, which the body makes into vitamin A in the body, is available in many fruits and vegetables. Good sources of beta-carotene are

  • Broccoli
  • Carrots
  • Garlic
  • Peaches
  • Pumpkins
  • Red Peppers
  • Spinach
  • Papayas

Dose

The recommended dosage of vitamin A varies, depending on what you read. A general guideline is 800mcg a day. This vitamin should be taken with or after food. The absorption of vitamin A is increased if taken with vitamin E, vitamin D or zinc.  If you do start to take a vitamin A supplement, be aware that many foods also contain this vitamin, so higher doses are not always required.

Cautions
Vitamin A consumption should be monitored closely in pregnancy. You should not take additional vitamin A supplements unless prescribed by a doctor.

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