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Vitamin K Question

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Old 09-23-2007, 05:35 AM   #1
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Posts: 543
jacal5 HB Userjacal5 HB User
Vitamin K Question

Vitamin K2 (Menaquinone-4) 500 mcg 625 % RDA
Vitamin K2 (Menaquinone-7) 500 mcg 625 % RDA
Vitamin K1 (Philloquinone) 1000 mcg 1250% RDA

My vitamin company has a new supplement containing Vitamin K (see above).
I take an older product they sell which contains 600 mcg. Vitamin K1, 200 mg.
magnesium, and a small amount of silicon. I take it about 3 or 4 times a week, not daily. I take their 3 tablet multi-vitamin daily which contains no Vitamin K. I also changed my diet to include Vitamin K containing food like kale, collards, etc. which I consume at least once a day.

I was thinking about switching to K2 from reading some of these posts and researching, but the amounts above sound too excessive and I'm afraid of blood clotting even though I have no circulatory problems that I know of.

I can't find any data that indicates what amount of Vitamin K could be dangerous regarding clotting and was wondering if anyone has done research. I am especially interested becasue I read Vitamin K reduces fractures of the hip where I have the osteopenia.

In addition I read that K1 converts to K2 in the body, so I was thinking switching to a K2 supplement might not be necessary.

Thanks for any info!

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Old 09-29-2007, 05:23 PM   #2
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Join Date: May 2006
Location: Milwaukee, WI USA
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StarSong HB User
Re: Vitamin K Question

Jacal5 If I were you I would stick with eating foods high in Vitamin K. Broccoli and brussel sprouts have ~400ug and spinach 120ug. I always figure it is better to stay natural and avoid supplements unless you have to.

Just my humble opinion

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