Should You Supplement with Vitamin K2?

Vitamin K supplements are touted for bone, brain, and heart health benefits, but have they actually been shown to help?

Vitamin K supplements are touted for bone, brain, and heart health, but have they actually been shown to help? To complicate matters, there are multiple types: Vitamin K1 is concentrated in greens, and a type of vitamin K2 is found in animal products. Do we need both? Do we have to rely on a healthy microbiome for conversion from one type to the other? Do we have to eat a slimy, fermented food called natto?

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