Vitamin K Reduces Risk Of Developing Non-Hodgkin Lymphoma

April 19, 2010: 08:41 PM EST

U.S. scientists have discovered a link between dietary intake of vitamin K and a reduced risk of non-Hodgkin lymphoma, an immune system cancer that affects the blood, bone marrow and lymph nodes. In a study of lymphoma patients and cancer-free individuals, researchers found that participants who consumed the highest amounts of vitamin K had a 45 percent lower risk of developing non-Hodgkin lymphoma, compared to those who consumed the lowest amounts. Vitamin K is derived from bacterial synthesis or from plants like leaf lettuce and spinach. Scientists also looked at the effect of vitamin K supplementation, finding that supplements did protect against non-Hodgkin lymphoma, but only up to a point. “The significance of this finding is unclear,” one scientist said, “but suggests that taking high doses of supplements is unlikely to be helpful.”

James Cerhan, M.D., Ph.D., et al., "Vitamin K May Protect Against Developing Non-Hodgkin Lymphoma", Presentation at the annual meeting of the American Association for Cancer Research, April 19, 2010, © Mayo Comprehensive Cancer Center

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Vitamin K Reduces Risk Of Developing Non-Hodgkin Lymphoma

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