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[Vitamin D and osteoporosis]

S Ljunghall1, P Charles, J Falch

  • 1Medicinkliniken, Akademiska Sjukhuset, Uppsala.

Nordisk Medicin
|January 1, 1995
PubMed
Summary

Vitamin D deficiency is common, especially in the elderly, due to decreased intake and synthesis. Current Nordic recommendations may be insufficient, with 10 micrograms daily likely needed for older adults.

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Area of Science:

  • Endocrinology
  • Nutritional Science
  • Geriatrics

Context:

  • Vitamin D functions as both a prohormone for calcitriol and a dietary vitamin.
  • Vitamin D synthesis and intake decline with age, increasing deficiency risk, particularly in institutionalized elderly.
  • Nordic countries, excluding Iceland, show low mean daily vitamin D consumption (<5 micrograms).

Purpose:

  • To highlight the challenges in diagnosing vitamin D deficiency.
  • To identify at-risk populations for vitamin D deficiency.
  • To evaluate the adequacy of current vitamin D intake recommendations.

Summary:

  • No single test reliably detects vitamin D deficiency.
  • Elderly individuals, especially those in care facilities, are highly susceptible to vitamin D deficiency.

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  • Current recommended daily intake of 5 micrograms in Nordic countries may be inadequate; 10 micrograms might be necessary for the elderly.

    • Impact:

    • Emphasizes the need for improved diagnostic strategies for vitamin D deficiency.
    • Underscores the vulnerability of the elderly population to inadequate vitamin D levels.
    • Suggests a revision of public health guidelines for vitamin D intake, particularly for older adults.