Whole Health Source: Vitamin K2 in Marrow - 0 views
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Matti Narkia on 26 Sep 09I'm always on the lookout for foods rich in vitamin K2 MK-4, because it's so important and so rare in the modern food system. I heard some internet rumors that marrow might be rich in fat-soluble vitamins. Google let me down, so I decided to look through the rat studies on K2 MK-4 in which they looked at its tissue distribution. I found one that looked at the K2 MK-4 content in different tissues of rats fed vitamin K1. marrow was rich in K2, along with testes. It contains 10-20 times more MK-4 than liver by weight, and more than any of the other organs they tested (serum, liver, spleen, kidney, heart, testes, marrow, brain) except testes. They didn't include values for salivary gland and pancreas, the two richest sources.