Vitamins and minerals
Vitamin K
Vitamin involved in blood clotting and bone-related proteins.
Established nutritional role
About this ingredient
Vitamin K intake can affect warfarin treatment. Different forms and individual treatment plans should be considered.
Bone healthNutritional support
Questions and answers
Where is this ingredient listed?
The linked products below list this ingredient or a named form of it. Open the product for its current ingredient panel and available options.
Can I apply a study directly to a product containing this ingredient?
Check the species, plant part, preparation, amount and study population. An ingredient reference is not a trial of every finished product containing it.
Read the original sources
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Sources checked 11 November 2026.