Vitamin K is a fat-soluble vitamin. Fat-soluble vitamins are stored in the body in the liver and fatty tissues. Unlike the other fat-soluble vitamins, the body actually stores very little vitamin K. This makes regular dietary intake important. Bacteria in the large intestines help by making a range of vitamin K forms called menaquinones. Vitamin K is also produced by plants (phylloquinone) and is primarily found in green vegetables, brussels sprouts, cabbage, and plant oils. The man-made vitamin K found in supplements is called menadione.
FunctionsVitamin K’s functions include:
- Playing an essential role in the blood-clotting process by making the proteins that stop bleeding
- Helping your body make other proteins essential for blood, bones, and kidneys
| Age Group |
| Adequate Intake (AI) |
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