Older Americans May Lack Adequate Nutrition

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"The present study indicates a clear association between meeting RDA/AIs and supplement use for calcium, magnesium and vitamin C," wrote Pamela J. Schreiner, professor and director of graduate studies in the division of epidemiology and community health at the University of Minnesota, and her colleagues.

"However, even with the assistance of dietary supplements, many middle-aged and older Americans are not getting adequate nutrition, and there was no association between supplement use and meeting the AI for potassium," the researchers concluded. "In addition, those taking high-dose vitamin supplements were more likely to exceed the UL for that nutrient. Future studies should explore dietary supplementation along with other methods to improve nutrition in middle-aged and older Americans."

The study was published in the March issue of the Journal of the American Dietetic Association.

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More information

The American Academy of Family Physicians has more about nutrition.

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-- Robert Preidt