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Vitamin K also increases risk of blood clots. https://health.clevelandclinic.org/vitamin-k-can-dangerous-t...

When you get a blood clot, Warfarin that they give you for it is literally a vitamin K blocker.

Warfarin is also literally used as rat poison, with the same mechanism of action.

"The dose makes the poison."

Botox is a pretty powerful tool for doctors when applied locally in small quantities, but often fatal in Botulism. Water is necessary for life, but hyponatremia is a real thing.

To my understanding, not if you don't take warfarin. There's no upper limit of vitamin K intake for healthy people.

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