What the Latest Research Really Shows
Large reviews, including meta-analyses published in Stroke journal and elsewhere, indicate that vitamin K supplementation doesn’t broadly prevent or cause strokes in the general senior population. Benefits appear more tied to steady dietary intake for vascular calcification concerns, while risks surface mainly in medication interactions.
One key takeaway from ongoing studies: vitamin K2 has been researched for potentially helping keep calcium out of arteries without the same clotting concerns as K1 in some contexts, but results aren’t conclusive enough for blanket recommendations. Always prioritize evidence-based guidance over viral claims.