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Don't forget your vitamin K. Excessive vitamin D can lead to arterial calcification, but vitamin K reduces this buildup.

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In the paper I've quoted elsewhere in this thread, the authors say that there is no danger from this if calcium supplements are absent. They also reiterate your point about vitamin K. Sorry, no direct link. Try sci-hub.

if calcium supplements are absent

Sorry, could you explain that further? I supplement low amounts of both vitamin D and calcium, do I need to be worried about this vitamin k? And could you quote the title of the paper again?

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