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Vitamin D, Aging, and the 2005 Dietary Guidelines for Americans

Mary Ann Johnson PhD, Michael G. Kimlin PhD
DOI: http://dx.doi.org/10.1111/j.1753-4887.2006.tb00226.x 410-421 First published online: 1 September 2006

Abstract

The 2005 Dietary Guidelines for Americans recommend that older adults, people with dark skin, and those exposed to insufficient ultraviolet radiation (i.e., sunlight) consume extra vitamin D from vitamin D-fortified foods and/or supplements. Individuals in these high-risk groups should consume 25 μg (1000 IU) of vitamin D daily to maintain adequate blood concentrations of 25-hydroxyvitamin D, the biomarker for vitamin D status. This review considers recommendations for vitamin D-rich foods and dietary supplements, as well as specific problems with self-prescribing sun exposure or artificial sources of ultraviolet radiation to meet the vitamin D recommendations for older people.

  • aging
  • Dietary Guidelines for Americans
  • older adults
  • sunlight
  • supplements
  • vitamin D

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