Rhonda Patrick· PhD
K1 (green plants) is converted to K2 in liver.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
K1 (green plants) is converted to K2 in liver.
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And, you know, like you mentioned, vitamin K1 is, you know, found in plants. So phylloquinone, and, you know, this type of vitamin K, K1, is lipophilic. And so it goes directly to the liver, and that's where it activates all these proteins that are involved in blood clotting, that they're in the liver.