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A 18-year-old male asked:

Is vitamin k producted in the colon?

2 doctor answers5 doctors weighed in
Dr. Julan Crane
Pediatrics 26 years experience
Vit k: The chief source of vitamin K is synthesis by bacteria in the large intestine, followed by diet.
Dr. Natalie Hodge
Pediatrics 27 years experience
Yes: What a great question! Vitamin K is actually produced from bacterial flora in our large intestine and is an important component of blood clotting. Thanks for taking such an interest in your health!
Last updated Dec 13, 2014

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