What are the symptoms of too much vitamin K? A guide to hypervitaminosis K
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4 min read
While toxicity from consuming vitamin K1 or K2 from foods and most supplements is extremely rare, the synthetic form, menadione (vitamin K3), is toxic and has been banned from over-the-counter use in the United States. Understanding **what are the symptoms of too much vitamin K?** is crucial, especially concerning vulnerable populations like infants and individuals on specific medications where risks can arise from either synthetic versions or significant drug interactions.
