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Adding to the growing body of evidence that vitamin K plays an essential role in bone health, Tufts University researchers have found that high intakes of the nutrient – most prevalent in leafy green vegetables – are associated with high bone mineral density.

Based on dietary records of more than 2,500 people, scientists at Tufts’ Vitamin K Lab discovered that women who consuemd the most vitamin K – an average of 309 micrograms a day – had significantly higher bone mineral density than women who consumed the least – 70 micrograms a day, on average. (A half cup of cooked spinach contains 360 micrograms; and broccoli, 113 micrograms.)

It’s thought that vitamin K promotes bone strength by allowing a particular protein to take its place in the skeletal structure.

(Source: Tufts University Health & Nutrition Letter)

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