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Phytonadione, menaquinone-4, & menaquinone-7
Three forms of vitamin K
Sourced from China and India
Disclaimer: The information provided on this page is not a substitute for professional medical advice, diagnosis, or treatment. If you have any questions or concerns about your health, please talk to a healthcare provider.
Studies show that supplementation with vitamin K2 can have beneficial effects on bone mineral density and that supplementation with vitamin K1 and vitamin K2 is associated with a reduction in fractures.
Vitamin K may interact with several medications. If you are taking the medication warfarin (brand name Coumadin), do not take supplements containing vitamin K without first talking to your healthcare provider.