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Role of Vitamins in Maintaining Bone Health01:25

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Vitamins, derived from the Latin word for life, are essential organic substances required in small quantities for optimal growth and overall well-being. Unlike other organic nutrients, vitamins don't act as sources of energy or building materials but rather facilitate these nutrients' utilization by the body. Vitamins are predominantly coenzymes, assisting enzymes in specific chemical actions, like the oxidation of glucose for energy involving B vitamins. Most vitamins are not produced...
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Association Between Vitamin D Supplementation and Fall Prevention.

Fei-Long Wei1, Tian Li2, Quan-You Gao1

  • 1Department of Orthopedics, Tangdu Hospital, Fourth Military Medical University, Xi'an, China.

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|August 29, 2022
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Summary

High-dose vitamin D supplements (≥700 IU) significantly reduce fall risk in older adults. Lower doses showed no significant benefit, indicating a dose-dependent effect for fall prevention in the elderly.

Keywords:
associationfallpreventionriskvitamin D

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Area of Science:

  • Gerontology
  • Nutritional Science
  • Public Health

Background:

  • Falls are a major cause of morbidity and mortality in the elderly population.
  • Assessing the efficacy of vitamin D supplementation is crucial for fall prevention strategies in older adults.

Approach:

  • A systematic meta-analysis of 38 randomized controlled trials (RCTs) involving 61,350 participants was conducted.
  • Databases searched included PubMed, Cochrane Library, and EMBASE using keywords 'vitamin D' and 'fall'.

Key Points:

  • High-dose vitamin D (≥700 IU daily) significantly reduced fall risk (RR 0.87, 95% CI 0.79 to 0.96).
  • Low-dose vitamin D (<700 IU) did not show a significant association with reduced fall incidence.
  • Factors such as calcium co-administration, baseline 25(OH)D levels, and dosing frequency influenced vitamin D's efficacy.

Conclusions:

  • Supplemental vitamin D, particularly at doses of 700-2000 IU daily, is associated with a lower risk of falls in older adults, both ambulatory and institutionalized.
  • The findings suggest a potential role for vitamin D in fall prevention, though cautious interpretation is advised due to the magnitude of effect.