Low vitamin K levels linked to mobility limitation and disability

Low levels of circulating vitamin K are linked to increased risk of mobility limitation and disability in older adults, according to research in Journal of Gerontology: Medical Sciences.

The study used data from 635 men and 688 women who were in their seventies. Mobility was assessed every six months for six to 10 years.

Specifically, older adults with low circulating vitamin K levels were nearly 1.5 times more likely to develop mobility limitation and nearly twice as likely to develop mobility disability compared to those with sufficient levels.

“The connection we saw with low levels of circulating vitamin K further supports vitamin K’s association with mobility disability,” explains senior author Sarah Booth.

Good dietary sources of vitamin K include leafy greens such as spinach, kale and broccoli.

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