Vitamins K1 & K2 Reduce Diabetes Risk
A study found that higher intakes of phylloquinone and menaquinone (also known as Vitamin K1 and Vitamin K2) reduce the risk of type 2 diabetes.
The research covered a 10-year period and observed that those with the highest intake of phylloquinone had a 19% lower risk of diabetes compared to those with the lowest intake. To a lesser extent, menaquinone was linked to a reduced risk of type 2 diabetes which was further reduced with greater intake of menaquinone. Dietary deficiencies of vitamin K are rare; however, deficiencies are more common in those with liver disease, cystic fibrosis and inflammatory bowel diseases and are linked to long-term aspirin use.
Phylloquinone, or vitamin K1, is found chiefly in leafy green vegetables such as spinach, Swiss chard and brassica (vegetables such as cabbage, kale, cauliflower, broccoli and Brussels sprouts). Some fruits such as avocado and kiwi are also high in vitamin K1. Menaquinone, or vitamin K2, is found in meat, eggs, dairy and natto (fermented soybeans). The study will be published in the August 2010 issue of the journal, Diabetes Care. It is now available online at http://bit.ly/aq90QB.
