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To examine motivations for using dietary supplement, Bailey et al analyzed data from 11 956 adults in the 2007-2010 National Health and Nutrition Examination Survey. The most commonly reported reasons were to “improve” (45%) or “maintain” (33%) overall health. Women used calcium products for “bone health” (36%), whereas men were more likely to report supplement use for “heart health or to lower cholesterol” (18%). Older adults were more likely than younger adults to report motivations related to site-specific reasons such as heart, bone and joint, and eye health. Multivitamin-mineral products were the most frequently reported type of supplement taken, followed by calcium and ω-3 or fish oil supplements. Less than a quarter of supplements used by adults were recommended by a physician or health care provider.
In This Issue of JAMA Internal Medicine. JAMA Intern Med. 2013;173(5):333. doi:10.1001/jamainternmed.2013.2704
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