Comments on: Almost half of our vitamin K is synthesized by bacteria that inhabit the large intestines? http://www.vitaminsk.com/other-diseases/almost-half-of-our-vitamin-k-is-synthesized-by-bacteria-that-inhabit-the-large-intestines/ Vitamin K, Vitamin K Food Thu, 15 Jan 2009 05:03:32 -0600 http://wordpress.org/?v=2.8.4 hourly 1 By: juno406 http://www.vitaminsk.com/other-diseases/almost-half-of-our-vitamin-k-is-synthesized-by-bacteria-that-inhabit-the-large-intestines/comment-page-1/#comment-397 juno406 Sat, 25 Oct 2008 03:22:02 +0000 http://www.vitaminsk.com/other-diseases/almost-half-of-our-vitamin-k-is-synthesized-by-bacteria-that-inhabit-the-large-intestines/#comment-397 that is easy...Vitamin K is the cofactor which adds the gamma-carboxylation for activating Cotting factors. The extrinsic factors such as II, VII, IX, X all need vitamin K. So by killing off the normal bacteria in the intestines would cause a prolong PT value. that is easy…Vitamin K is the cofactor which adds the gamma-carboxylation for activating Cotting factors. The extrinsic factors such as II, VII, IX, X all need vitamin K.

So by killing off the normal bacteria in the intestines would cause a prolong PT value.

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