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Vitamin K2 helps calcium move from the blood to the bones, he says, whereas if you take large doses of vitamin D without sufficient K2, the calcium can go to the wrong places. Vitamin K1, or phylloquinone, is present in dark leafy greens, while vitamin K2 (menaquinones) is found in fermented and animal-based foods
It may achieve this by upregulating vascular endothelial growth factor (VEGF), an endogenous protein responsible for stimulating the growth of new blood vessels [4]
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