Vitamin A - Your Source for Great Vision
When most people think about vitamin A, they think first of good eyesight. After all, carrots are a rich source of vitamin A, and everyone has heard to carrots are good for the eyes. In addition to its eyesight benefits, however, vitamin A is also important to the proper function of the immune system and to maintaining healthy skin. In addition, recent clinical trials have suggested that vitamin A may provide protection against pollutants found in the environment, and that it has strong antioxidant properties as well.
Dietary Sources of Vitamin A: Diet is vital to getting plenty of vitamin A, and while supplements can help the key to proper nutrition should always be a healthy and balanced diet. Rich source of dietary vitamin A include milk, eggs and liver, as well as carrots, bananas and lemons.
Recommended Daily Intake of Vitamin A: The recommended daily intake of vitamin A is 5000IU (or one gram).
Vitamin A Supplements: Vitamin A is often taken as part of a quality multivitamin, and it combines well with calcium, phosphorous and zinc, as well as B-complex vitamins, vitamin C, vitamin D and vitamin E.
Symptoms of Vitamin A Deficiency: The most common symptoms of vitamin A deficiency include problems with the vision. Those suffering from vitamin A deficiency may experience dry eyes and problems with night vision. Severe vitamin A deficiency can even cause ulceration of the cornea, and that ulceration can lead to blindness.
Other symptoms of vitamin A deficiency can include frequency colds, respiratory infections, skin problems and scalp dryness.
Health Disclaimer. Copyright ©2008. Published with permission. Bonnie Conrad is a freelance writer and is not affiliated with avivahealth.com.
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