As a Brain Doctor, I’m Shocked This Common Vitamin May Raise Stroke Risk in Seniors – What Every Older Adult Needs to Know

Seniors are more vulnerable because many take multiple medications, have slower metabolism, or experience changes in kidney and liver function. One analysis of vitamin K1 levels even suggested genetically higher circulating amounts might link to certain types of ischemic events in specific populations, though results vary and more research continues.

But here’s the important part: this isn’t about avoiding vitamin K entirely. Most experts agree dietary sources are safe and beneficial when consistent. The real discussion centers on supplements and how they fit into your routine.