Does high vitamin K1 intake protect against bone loss in later life?

Kevin D. Cashman, Eibhlis O'Connor

Research output: Contribution to journalReview articlepeer-review

Abstract

The findings of a number of cross-sectional studies suggest benefits of high phylloquinone (vitamin K1) intake on bone health in later life. Until recently these observational data were supported by the findings of an intervention study that showed a protective role for vitamin K1 (together with calcium, magnesium, zinc, and vitamin D3) on bone loss over 3 years in early postmenopausal women. Over the last 18 months, two further important intervention studies have been published, which investigated the effect of vitamin K1 on bone loss in older subjects. These two studies add to the evidence-base but cast some doubt on the benefits of high vitamin K1 intake on bone health in later life.

Original languageEnglish
Pages (from-to)532-538
Number of pages7
JournalNutrition Reviews
Volume66
Issue number9
DOIs
Publication statusPublished - Sep 2008
Externally publishedYes

Keywords

  • Bone health
  • Intervention studies
  • Later life
  • Phylloquinone
  • Vitamin K

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