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J Nutr Gerontol Geriatr. 2014;33(1):10-22. doi: 10.1080/21551197.2014.875818.

Vitamin K and bone health in older adults.

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a Division of Geriatrics and Aging , University of Rochester School of Medicine and Dentistry , Rochester , New York , USA.


Vitamin K is one of several nutrients that have been linked with bone health. In particular, there is an emerging literature regarding the questionable efficacy of vitamin K supplementation in reducing age-related bone loss. This review aims to summarize the role of vitamin K in bone health in older adults and discuss the clinical implications from a select few human studies. The evidence for vitamin K supplementation in older adults is mixed. Although the observational studies have shown linkages between vitamin K intake and lower risk of fractures in this population, the current evidence from randomized controlled trials is not strongly supportive of vitamin K supplementation in older adults for the intent of improving bone health.

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