

Less common is vitamin K2, found in small amounts in animal products and fermented foods. The most common is vitamin K1, found in spinach, kale, and other dark, leafy greens, which accounts for 75–90 percent of the vitamin K consumed by humans.

And you’re probably taking a daily D-but are you taking it the right way? Some research suggests that vitamin K in combo with vitamin D greatly enhances the sunshine vitamin’s bone-building benefits-and supplementing with just vitamin D if you’re low in vitamin K could even be harmful.

You already know the benefits of vitamin D for building stronger bones, reducing inflammation, and enhancing immunity (especially important right now). Heading out the door? Read this article on the new Outside+ app available now on iOS devices for members!
