Vitamin C deficiency in the U.S. affects more people

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Vitamin C deficiency in the

U.S. affects more people

 

 

 

More people are

at risk for vitamin C deficiency and depletion in the United States

than has been previously thought, according to the results of a recent

study that analyzed vitamin C consumption and serum levels from

participants in a larger national study.

 

For the study on vitamin C, researchers at the Department of Nutrition,

Arizona State University used data collected from the Third National

Health and Nutrition Examination Survey (NHANES III) to analyze serum

vitamin C levels and information on diet and supplement use supplied

via questionnaires completed by 15,769 respondents.

 

The NHANES III study had 30,818 participants. Most respondents had

dietary and serum vitamin C levels that met or were above the

Recommended Daily Allowance; however, vitamin C deficiency (occurring

among 5%-17%) and vitamin C depletion (occurring among 13%-23%) in

respondents were common.

 

Smokers, those who did not use supplements, and non-Hispanic Black

males

had elevated risks of vitamin C deficiency, while Mexican Americans had

lower risks.

 

Researchers concluded that health professionals “should recommend

consumption of vegetables and fruits rich in vitamin C and should

recommend supplementation for individuals at risk of vitamin C

deficiency.”

 

American Journal of Public Health 94(5):870-875, 2004

 

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