That headline is sensationalized. There is no common vitamin that has been proven to raise stroke risk in all older adults.
These headlines often refer to one of a few situations:
- Vitamin E: High-dose vitamin E supplements (typically much higher than the recommended daily intake) have been linked in some studies to a slightly increased risk of hemorrhagic (bleeding) stroke, although they do not appear to increase the risk of the more common ischemic (clot-related) stroke. This risk is associated with high-dose supplements, not normal dietary intake.
- Vitamin K: Vitamin K itself does not increase stroke risk. However, it can interfere with the blood thinner warfarin if intake changes dramatically. People taking warfarin are usually advised to keep their vitamin K intake consistent, not avoid it.
- Vitamin B6 or B12: These vitamins have been extensively studied, and there is no strong evidence that they increase stroke risk in the general older population when taken at recommended doses.
What older adults should know
- Get vitamins primarily from a balanced diet whenever possible.
- Avoid taking high-dose supplements unless they are recommended by a healthcare professional.
- Tell your healthcare provider about all supplements you take, especially if you use blood thinners or have cardiovascular disease.
The most effective ways to reduce stroke risk remain:
- Controlling high blood pressure.
- Not smoking.
- Managing diabetes and cholesterol.
- Exercising regularly.
- Eating a heart-healthy diet.
- Taking prescribed medications as directed.
If the article mentions a specific vitamin, let me know which one it is, and I can explain what the research actually shows.
