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A 48-year-old member asked:

Is there any need to take extra vitamin k?

2 doctor answers4 doctors weighed in
Dr. Dan Fisher
Internal Medicine 27 years experience
No: Most do not require extra vit k. Vit k may be beneficial for a select group of patients - those with intravenous feedings, those with malabsorption and those on long term antibiotics. Sometime pts with difficult to control INR while on Coumadin (warfarin) are given low dose vit k to help regularize their numbers.
Dr. Shivinder Deol
Anti-Aging Medicine 46 years experience
Yes: Most peope are deficient in most nutrients including k. There is a lot of evidence that suggests that adequate k may help prevent arterial calcification and atherosclerosis. It is also essential in bone health to prevent osteoporosis. May be cancer protective.

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Last updated Feb 1, 2018
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