Dietary Supplement Use by Community-living Population in Japan : Data from the National Institute for Longevity Sciences Longitudinal Study of Aging (NILS-LSA)

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著者

    • IMAI Tomoko
    • Department of Epidemiology, National Institute for Longevity Sciences, Japan
    • NAKAMURA Mieko
    • Department of Epidemiology, National Institute for Longevity Sciences, Japan
    • ANDO Fujiko
    • Department of Epidemiology, National Institute for Longevity Sciences, Japan
    • SHIMOKATA Hiroshi
    • Department of Epidemiology, National Institute for Longevity Sciences, Japan

抄録

<b>BACKGROUND:</b> There are few studies about dietary supplement use and nutrient intake from these products in Japan. The purpose of this study was to clarify (1) the prevalence of dietary supplement use, (2) the characteristics of dietary supplement users, (3) nutrient intake from dietary supplements, and (4) the existence of dietary supplement users who took excessive nutrients from these products.<br><b>METHODS:</b> To collect the information on dietary supplement use in the previous year and nutrient intake from these products, we conducted a self-administered dietary supplement frequency questionnaire. The subjects were 2,259 people aged 40-82 years. Dietary supplements were grouped into 8 major categories. A dietary supplement database was developed to estimate nutrient intake from these products. Excess users were defined as people who consumed more nutrient than the tolerable upper intake level of the Dietary Reference Intakes for Japanese.<br><b>RESULTS:</b> In the previous year, 55 % of males and 61 % of females consumed dietary supplements. Dietary supplement use was especially prevalent in females, subjects who felt unhealthy, and subjects who were more careful of maintaining an appropriate weight, though the association was affected by the frequency of dietary supplement use. The most common dietary supplements were drink type in males and vitamins in females. Some nutrient values obtained from dietary supplements were higher than those from food. Excess users were found for intake of vitamin A, B<sub>6</sub>, K, niacin, iron, and magnesium.<br><b>CONCLUSIONS:</b> It is important to clarify dietary supplement use and to estimate nutrient intake from these products.<br><i>J Epidemiol</i> 2006; 16: 249-260.

収録刊行物

  • Journal of epidemiology  

    Journal of epidemiology 16(6), 249-260, 2006-11-01 

    Japan Epidemiological Association

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各種コード

  • NII論文ID(NAID)
    10018347809
  • NII書誌ID(NCID)
    AA10952696
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09175040
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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