Vitamin A is a naturally occurring vitamin.

There are two natural sources of Vitamin A .

• Eggs, butter, milk, meat, and oily fish contain retinol, the primary retinoid of animal origin.
• Green and yellow fruits and vegetables contain beta-carotene, a carotenoid of plant origin, which is converted into Vitamin A in the body.

Vitamin A is necessary for normal health and growth, especially of the eyes and skin.

A deficiency of Vitamin

Vitamin A is required for night vision, and for a healthy skin. Vitamin A assists the immune system, and because of its antioxidant properties is great to protect against pollution and cancer formation and other diseases. Vitamin A also assists your sense of taste as well as helping the digestive and urinary tract and many believe that it helps slow aging.

Vitamin A is required for development and maintenance of the epithelial

Take Vitamin A tablets orally.

To reduce stomach upset take Vitamin A with food. To make it easier for children to swallow you can crush the tablet and mix with jam, applesauce or other foods.

The dose prescribed below is the Recommended Dietary Allowance (RDA), but be aware that Vitamin A dose is the minimum that you require per day, to ward off serious deficiency of this particular nutrient. In the therapeutic use of Vitamin A nutrient,

The following drugs may interact with Vitamin A . They may increase or decrease the activity of Vitamin A

• cholestyramine
• etretinate
• female hormones, including contraceptive or birth control pills
• isotretinoin
• mineral oil
• orlistat
• porfimer PDT
• warfarin

Inform your health care professional about all other medicines you are taking, including non-prescription medicines, nutritional supplements, or herbal products. Also tell your prescriber

Most Important Fact about Vitamin A

Take vitamin A with B group vitamins, vitamins C, D and E, choline, essential fatty acids together with calcium, phosphorus and zinc for the best results.

More of Vitamin A is required when you consume alcohol, on a low-fat diet, or a diet high in polyunsaturated fatty acids, if you smoke or live in a polluted area. It may also be indicated if you suffer from diabetes or have an under-active thyroid gland.

Vitamin

More common side effects of Vitamin A may include:

• tiredness,
• headache,

Less common side effects of Vitamin A may include:

• nausea,
• vomiting,
• decreased appetite,
• irritability,
• dryness or cracking of the lips or skin, or
• hair loss

Rare side effects of Vitamin A may include

• difficulty breathing,
• closing of your throat,
• swelling of your lips, tongue, or face,
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