Vitamin A - Benefits, Deficiency and Food Sources

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Vitamin A - Benefits, Deficiency and Food Sources
By: Juliet Cohen , Posted On: 2007-09-28

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Vitamin A, also known as r

tinol, is essential to the formation of v

sual purple in the retina, which

llows vision in dim light. It h

lps your eyes adjust to light ch

nges when you come in from

utside and also helps keep your

yes, skin and mucous membranes moist. V

tamin A mostly comes from animal f

ods, but some plant-based foods supply b

ta-carotene, which your body then converts

nto Vitamin A. Vitamin A deficiency is r

re in the United States, but it can c

use night blindness, eye inflammation, diarrhea and

ther problems. Overconsumption of vitamin A can c

use nausea, irritability and blurred vision in its m

ld form. Vitamin A toxicity can c

use growth retardation, hair loss and

nlarged spleen and liver in its m

re severe form. Vitamin A overdose can

lso cause birth defects and has b

en linked to increased risk of b

ne fractures in some people. Like

ther vitamins, vitamin A does not r

place food and in fact, it c

nnot be assimilated without food.

Benefits of v

tamin A to us:-

1. Vitamin A

mproves our vision and prevents night bl

ndness.

2. This vitamin promotes formation of str

ng bones.

3. Vitamin A supplements may h

lp kids who have respiratory problem.

4. Act as

nti-oxidant, helping to protect our cells

gainst cancer and other disease.

5. It can

mprove skin condition like acne or ps

riasis.

6. Vitamin A guards us against b

cterial, viral, parasitic infections.

Deficiency Symptoms of v

tamin A

1. Bitot’s spot.

2. Night blindness.

3. C

njunctival xerosis.

4. Corneal xerosis.

5. Keratomalacia.

Sources of v

tamin A

1. Spinach and collard greens.

2. Egg y

lk.

3. Fortified milk.

4. Sweet potato and Br

ccoli.

5. Pumpkin and carrots.

6. Cheddar cheese.

The article Vitamin A - Benefits, Deficiency and Food Sources was Submitted by Juliet Cohen through Articles.GetACoder.com network. Here's the additional information: Juliet Cohen writes articles for free home remedies . She also writes articles for vitamins world and herbal medicines .

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