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Vitamin D-fortified liquid milk: benefits for the elderly community-based population

E M Keane1, M Healy, R O'Moore

  • 1Mercer's Institute for Research on Ageing, and Department of Biochemistry, Saint James's Hospital and Trinity College, Dublin, Ireland.

Calcified Tissue International
|April 29, 1998
PubMed
Summary

Vitamin D-fortified milk effectively raised vitamin D levels in elderly individuals. This fortified milk is a safe and acceptable way to manage low vitamin D, improving overall health.

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Area of Science:

  • Nutrition Science
  • Gerontology
  • Public Health

Background:

  • Hypovitaminosis D is a common condition in community-based elderly populations.
  • Maintaining adequate vitamin D levels is crucial for elderly health and well-being.

Purpose of the Study:

  • To evaluate the efficacy and acceptability of vitamin D-fortified liquid milk for managing hypovitaminosis D in the elderly.
  • To assess the impact of fortified milk on serum 25-hydroxyvitamin D (25OHD) levels and serum calcium.

Main Methods:

  • A double-blind, randomized, controlled trial was conducted with 51 elderly subjects.
  • Participants received either vitamin D-fortified milk or unfortified milk daily for one year.
  • Baseline and follow-up assessments included dietary intake, cognitive function, outdoor activity, and biochemical markers.

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Main Results:

  • The vitamin D-fortified milk group showed a significant increase in mean 25OHD levels from baseline (9.6 ng/ml) to 18.5 ng/ml after one year (P < 0.001).
  • The control group (unfortified milk) showed no significant increase in 25OHD levels (mean 12.7 ng/ml after one year).
  • Serum calcium levels significantly increased in the fortified milk group but not in the control group.

Conclusions:

  • Vitamin D-fortified liquid milk is a safe and effective intervention for improving vitamin D status in community-dwelling elderly individuals.
  • Fortified milk is an acceptable method for vitamin D supplementation in this population.
  • This approach offers a practical strategy for public health initiatives aimed at preventing and managing hypovitaminosis D in the elderly.