Vitamin A Interactions with other nutrients

Vitamin E plays a role in the absorption, storage and utilization of vitamin A andprotects it from oxidation. Vitamin E may protect against some of the effects ofexcess vitamin A.

Vitamin A is necessary for calcium metabolism and is also necessary forthe absorption, metabolism and storage of iron. Vitamin A deficiency lowersblood levels of hemoglobin. When iron supplements are given it is important toensure that vitamin A levels are high enough to protect against the exacerbationof bacterial activity that iron may cause. With zinc deficiency, levels of vitaminA in the liver rise and blood levels fall.

Vitamin A InteractionsVitamin A Interactions with drugs

Vitamin A absorption is reduced by mineral oil laxatives. Antacids; the anti-gout drug, colchicine; and the cholesterol-reducing drug, cholestyramine alsoinhibit vitamin A absorption. Broad spectrum antibiotics should not be takenwith high doses of vitamin A.

Alcohol irritates the digestive tract and inhibits the absorption of vitaminA. It also depletes the body's tissue stores.

 
 
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Vitamin A Categories:

Vitamin A
Vitamin A Health
Vitamin A Absorption
Vitamin A Deficiency
Vitamin A Sources
Vitamin A Recommended Daily
Vitamin A Overdose
Vitamin A Interactions
Vitamin A Dangerous

 


 

Other Vitamins:

Vitamin A
Carotenes
Beta carotene
Lycopene
Lutein
Thiamin
Riboflavin
Niacin
Vitamin B6
Folate
Vitamin B12
Biotin
Pantothenic acid
Vitamin C
Vitamin D
Vitamin E
Vitamin K