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

Mary Ann Johnson*, Michael G. Kimlin

*Corresponding author for this work

Research output: Contribution to journalReview articleResearchpeer-review

66 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)410-421
Number of pages12
JournalNutrition Reviews
Volume64
Issue number9
DOIs
Publication statusPublished - Sept 2006
Externally publishedYes

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