Vitamin K

Vitamin K is a fat soluble vitamin important for both bone and blood health.

Our needs for vitamin K are very small but the intakes in the US are highly variable because vitamin K is found in little foods. The AI for vitamin K for adults ages 19 years or older is 120 micrograms a day and 90 micrograms a day for men and women. Green leafy vegetables are major sources in our diets. Good sources are collard greens, kale, spinach, broccoli, brussels sprouts and cabbage. Soybean and canola oil are also good sources.

Source: Thompson, Janice, Melinda Manore, and Linda A. Vaughan. The Science of Nutrition. San Francisco, CA: Pearson Benjamin Cummings, 2011. Print.

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