Illustrated Health Encyclopedia
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Vitamin C See images
Overview | Recommendations | Side Effects | Food Sources
Ascorbic acid
Recommendations Recommended daily allowances (RDAs) are defined as the levels of intake of essential nutrients that, on the basis of scientific knowledge, the Food and Nutrition Board judges to be adequate to meet the known nutrient needs of practically all healthy persons.
The best way to get the daily requirement of essential vitamins is to eat a balanced diet that contains a variety of foods from the food guide pyramid.
Vitamin C should be consumed every day, since it is not a fat-soluble vitamin, and cannot be stored for later use. It is water soluble, and is therefore excreted regularly through the urine by the body.
Specific recommendations for each vitamin depend on age, gender, and other factors (such as pregnancy). The U.S. Department of Agriculture has a PDF file that lists these recommendations.
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