Low vitamin D and K levels linked to higher blood pressure

Earlier studies found a link between low levels of vitamin D, or vitamin K, separately, and chances for heart and vascular problems, but new research suggests when both nutrients are low, chances for developing high blood pressure increase.

Doctors analyzed levels of vitamins D and K in 231 people participating in a long-term aging study. Those whose levels of vitamin D were below 20 nanograms per milliliter of blood and whose vitamin K levels fell below 323 picomoles per liter of blood had systolic and diastolic blood pressure 4.8 and 3.1 mmHg higher, respectively, compared to those with better levels of vitamins D and K. Discussing the findings, doctors said the combination of low vitamin D and K was linked to increased blood pressure, and that this relationship could play a role in developing high blood pressure.

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