Vitamin K is derived from bacterial flora and microflora in the gut.The only dietary source of vitamin K is green leafy vegetables.

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The first statement is true; the second is false.In addition to green leafy vegetables,meat also provides a significant source of vitamin K.Although vitamin K is derived from the gut,more specifically it is synthesized by the bacterial flora in the jejunum and ilium.Approximately half of the body's requirement is provided by this process.

Vitamin K Is Derived from Bacterial Flora and Microflora in the Gut.The