Vitamin K

Vitamin K is a group of lipid-soluble or lipophilic (fat-loving) vitamins; only two of which occur naturally. Phylloquinone (K1), sometimes called Phytonadione and Phytomenadione, is isolated from green plants like kale and broccoli, while Menaquinone-7 (K2 or MK-7) is generally synthesized in the large intestine by bacteria in humans or can be found in small amounts in liver curd, eggs, cheese and fermented soybeans known as natto. 

Very little vitamin K is actually stored in the body and what is stored is rapidly depleted without regular dietary intake. The body recycles it through a process called the vitamin K cycle. Vitamin K1 is essential for blood clotting properties, while K2 has been found to offset bone demineralization issues by increasing bone formation and decreasing bone reabsorption in the body.

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