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A 45-year-old member asked:

How do i know how much vitamin k should an adult male have daily?

1 doctor answer1 doctor weighed in
Dr. Sarosh Batlivala
Pediatric Cardiology 16 years experience
120 mcg/day: The fda provides an adequate intake for vit k, as opposed to a recommended daily allowance. Per the us fda, the ai of vitamin k for an adult male aged 45 is 120 micrograms/day. Please refer to http://iom.Edu/activities/nutrition/summarydris/~/media/files/activity%20files/nutrition/dris/rda%20and%20ais_vitamin%20and%20elements.Pdf and http://fnic.Nal.Usda.Gov/dietary-guidance/dri-tables.

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Last updated Aug 9, 2018

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