Is Vitamin K Synthesized By Intestinal Bacteria?
Is Vitamin K Synthesized By Intestinal Bacteria? Two forms of vitamin K are available to humans: 1) vitamin K1, or phylloquinone, which is mostly found in green leafy vegeta- bles, and 2) vitamin K2, or menaquinone, which is synthesized by intestinal bacterial flora and is present in fermented foods. Which vitamin is synthesized in the