Vitamin K is a substance that our body needs to form clots and to stop bleeding. We get vitamin K from the food we eat. Some vitamin K is also made by the good bacteria that live in our intestines. Babies are born with very small amounts of vitamin K stored in their bodies, which can lead to serious bleeding problems if not supplemented.
- Page last reviewed: January 4, 2016
- Page last updated: March 24, 2014
- Content source: