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2012-11-28

Study Reveals MK-7 is the Best Form of Vitamin K2

The results of a new study on bioavailability of vitamin K2 has added more weight behind the thinking that MK-7 is the best form of this essential nutrient. The researchers investigated the effects of a single 420 mcg dose of MK-4 or MK-7, consumed with a standardized breakfast in ten healthy Japanese women.

Results indicated that MK-7 was well absorbed and was measurable in serum samples up to 2 days after consumption. On the flipside, however, MK-4 was not measured in any of the women at any time, the researchers said.

A second study used multiple daily 60 mcg doses of MK-4 or MK-7 for seven days. Again, the results indicated that MK-4 did not increase MK-4 levels. On the other hand, MK-7 was found to increase MK-7 levels.

“The current study shows that MK-4 has a poor bioavailability at a nutritional level dose, whereas MK-7 is well absorbed and detectable in the blood at nutritional levels,” wrote the researchers.

“In a previous rat study from our group, the intake of a nutritional dose of MK- 4 did not increase the MK-4 levels in extrahepatic tissues, whereas MK-7 significantly increased MK-4 in extrahepatic tissues,” they added.

This is very promising news, especially for us Canadians, where the dominant form of K2 in supplements is MK-7.

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Source: Comparison of menaquinone-4 and menaquinone-7 bioavailability in healthy women

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2 comments:

  1. When one considers all the myriad benefits of taking Vitamin K-2 in MK7 form, it didn't surprise me to read recently that Big Pharma is scrambling to come out with their own pharmacological form of the vitamin. There is no money to be made for them in Vitamin K-2 (MK-7)in vitamin form so their logic is to 'reinvent the wheel' to boost their bottom line sales. Just keep pushing them 'allopathic wonder drugs' down peoples' throats, Big Pharma! It doesn't matter to them the bad/dangrous side effects entailed in taking their 'cures' not to mention the billions of dollars being 'picked' out of the innocents' pockets. We need to come back to nature as nature was their long before Big Pharma.

    ReplyDelete
    Replies
    1. I nice quote I read recently...

      Study nature, love nature, stay close to nature.
      It will never fail you.
      (Frank Lloyd Wright)

      Delete

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