Possible effects of one week vitamin K (menaquinone-4) tablets intake on glucose tolerance in healthy young male volunteers with different descarboxy prothrombin levels.

@article{Sakamoto2000PossibleEO,
  title={Possible effects of one week vitamin K (menaquinone-4) tablets intake on glucose tolerance in healthy young male volunteers with different descarboxy prothrombin levels.},
  author={Naomasa Sakamoto and Tamako Nishiike and Hiroshi Iguchi and Koh-ichi Sakamoto},
  journal={Clinical nutrition},
  year={2000},
  volume={19 4},
  pages={259-63}
}
To clarify the roles of vitamin K (VK) in the pancreas, twice oral, glucose tolerance tests were examined in 12 healthy young male volunteers before and after 1 week of VK tablet intake. Blood were collected by venipucture at 0, 30 and 120 min after 75 g oral glucose loading. They then took VK tablets (90 mg/d of menaquinone-4) for 1 week, and the second glucose tolerance test was examined. The subjects were divided into three groups by serum descarboxy prothrombin (DP) levels; four of lowest… CONTINUE READING

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