Dietary Supplement Use in a Randomly Selected Group of Elderly Australians

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Abstract
The prevalence of dietary supplementation and its relationship to health and dietary habits was investigated in a random mail survey of 2,195 people aged 65 years and over in Adelaide, South Australia. Subjects were selected from the electoral rolls in an urban area, and 77% returned completed survey instruments. Thirty‐five percent of men and 46% of women reported taking some form of supplement at least once a week regularly throughout the year (these are defined as “regular” supplementers). The most popular supplements (in descending order of popularity for the total group) were: unprocessed bran, wheatgerm, vitamin C, and multivitamins or minerals. Thirteen percent of men and 15% of women reported the use of supplements on an occasional basis (once every few months or “now and then”)—these are defined as “irregular” or “occasional” supplementers. Supplement users did not differ from non‐supplementers in their use of medical facilities or in the number of bouts of minor illness they had experienced in the preceding year. Regular supplement users had more favorable dietary habits and higher intakes of several vitamins, minerals, trace elements and fiber than either non‐supplementers or occasional supplementers.