the elderly?
Under normal conditions, vitamin K is not dangerous. It is present in common foods such as green vegetables (kale, spinach, broccoli) and can also be produced in small quantities by the intestinal flora.
The main concern is not with vitamin K itself, but rather with its interaction with anticoagulant medications, such as warfarin. These medications are used to “thin the blood” and prevent dangerous clots.
When there is significant variation in vitamin K intake, the effect of these medications can be altered, increasing the risk of thrombosis or
