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Research · Meta-analysis

Effect of vitamin K on bone mineral density and fractures in adults: an updated systematic review and meta-analysis of randomised controlled trials

What it found

Found no convincing effect on bone density or vertebral fractures once high-bias trials were removed; a possible reduction in clinical fractures was judged insufficient to confirm.

Design
Meta-analysis
Year
2019
Population
adults, predominantly postmenopausal/osteoporotic (36 RCTs)
Intervention
oral vitamin K supplementation for at least 6 months
Outcome
bone mineral density and clinical/vertebral fractures
Journal
Osteoporosis International

Citation last checked 2026-06-21.