What Is Vitamin A?
Vitamin A is a fat soluble vitamin that is a powerful antioxidant and helps to improve health in a number of ways. Supplementing vitamin A is good for eye problems including night blindness as well as many skin problems including acne. Vitamin A also plays a role in healthy vision, bone growth, reproduction, cell division, and cell differentiation.
Supplementing vitamin A is also useful for helping to fight or prevent infections by aiding the manufacturing of white blood cells which attack bacteria and viruses.
The Differences In Retinol And Beta Carotene
Retinol, also known as performed vitamin A, can only occur in foods from an animal source like liver and eggs. Vitamin A from retinol is the most easily used form of this important nutrient.Beta-carotene and other carotenoids provide vitamin A activity and can be found in plant based sources. The carotenoids are found in the pigments of plants and are what give fruits and vegetables the yellow, orange, and red hues. The human body converts many of the carotenoids into an active from of vitamin A and for this reason is often referred to as provitamin A.
Excellent Explanation On The Importance Of Vitamin A
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Vitamin A is essential for the maintenance of healthy epithelial tissue which is found in the skin, eyes, respiratory system, GI, and the urinary tract.
Vitamin A Deficiencies
Some symptoms of having a vitamin A deficiency are dry hair or skin, poor growth, night blindness and dryness of the conjunctiva of the cornea. Other common results of a vitamin A deficiency can include fatigue, difficulty with reproduction, acne and skin disorders, frequent colds and other respiratory issues, and weight loss.Developing countries are the most likely to have people who suffer from a vitamin A deficiency. It is estimated that approximately 250,000-500,000 children of the world are malnourished and become blind every year from a vitamin A deficiency.
Food Sources of Vitamin A
Vitamin A is found in foods from animal sources. Animal livers are the richest sources, fish liver oil is a popular supplement for an active, absorbable form of vitamin A.Beta Carotene is found in fruits with a yellow to red pigment and green vegetables. The richest fruits of beta carotene are, apricots, cantaloupe, papayas, peaches, pumpkin and the vegetables are, asparagus, beet greens, broccoli, carrots, collards, dandelion and mustard greens, and sweet potatoes.
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scarheals Mar 13, 2008 @ 6:13 pm | delete
- thanks for the info...
you are a very good teacher....
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Vitamin A In The News
- Vitamin A Supplements in Low Supply for Children in India - US Manufacturer ...
- Matsun Nutrition knows how important vitamin A is for children, especially in countries where the normal diet may not include an adequate amount of vitamin A. Matsun Nutrition urges companies to import Vitamin A supplements in order to help with the ...
- High Omega-3 Boosts Vitamin A Effect in Retinitis Pigmentosa
- February 13, 2012 ? Eating oily fish such as salmon 2 or 3 times a week can improve the efficacy of daily vitamin A palmitate (15000 IU/day) for delaying vision loss in patients with retinitis pigmentosa (RP), according to an article published online ...
- February is a month for potato lovers, too
- Sweet potatoes are fat-free, low in sodium, and are a good source of vitamin C, vitamin A and fiber. A medium sweet potato is 103 calories and contains 4 grams of fiber. When compared to other vegetables, sweet potatoes are high in antioxidant activity ...
- 2012 Vitamin A Swimwear Bikinis & Swimsuits Now Available on Molly Brown's ...
- New 2012 Vitamin A Swimwear bikinis and swimsuits are now available at Molly Browns swimwear store. The womens swimwear store has added to inventories of both Vitamin A Gold & Vitamin A Silver beachwear lines. Newport Beach, CA, February 14, ...
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