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Age considerations in nutrient needs for bone health

G D Miller1, S M Groziak, D DiRienzo

  • 1National Dairy Council, Rosemont, Illinois 60018-5616, USA.

Journal of the American College of Nutrition
|December 1, 1996
PubMed
Summary

Age significantly impacts bone health nutritional needs, with calcium requirements varying by age. Optimal bone health necessitates a balanced diet rich in calcium and other essential nutrients, not just calcium alone.

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Area of Science:

  • Nutrition Science
  • Bone Biology
  • Gerontology

Background:

  • Age is a critical determinant of nutritional requirements for maintaining bone health.
  • Bone health is influenced by age-related changes in bone growth, mineral deposition, bone loss rates, hormonal levels, nutrient absorption, physical activity, and sun exposure.

Purpose of the Study:

  • To examine the influence of age on nutritional needs for bone health.
  • To highlight the importance of adequate calcium intake and its age-specific requirements.
  • To emphasize the role of a holistic dietary approach for bone health.

Main Methods:

  • Literature review and analysis of existing nutritional guidelines and research on bone health.
  • Examination of age-related physiological changes affecting nutrient metabolism and bone.

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  • Assessment of current dietary intake patterns in relation to recommended levels.

    • Main Results:

    • Calcium intake recommendations for bone health vary across different age groups.
    • A 1994 National Institutes of Health expert panel suggested increased calcium intakes for specific age demographics.
    • Many populations, particularly young females in the U.S., fall short of recommended calcium intake levels.
    • Diets low in calcium are frequently deficient in other vital bone nutrients like vitamin D, vitamin B6, and magnesium.

    Conclusions:

    • Dietary recommendations for bone health should consider the entire diet, not solely calcium.
    • Emphasizing calcium-rich foods within a healthy diet and lifestyle is crucial for bone health.
    • Age-specific nutritional strategies are essential for optimizing bone health throughout the lifespan.