Did you know that the dark circles under your eyes could be a vitamin K deficiency? According to the National Health and Nutrition Examination survey the vitamin supplements that are most commonly are missing in Americans diets include vitamin D, B6, A and K. 

Vitamin K is necessary for optimal health as it is responsible for partnering with Vitamin D to work properly. It is also essential for blood vessel and cardiovascular health, health of pregnancy, and can act in the prevention of cancer.

Ok, with all this benefit, these are the foods that can assist in supplementation. Fermented foods like sauerkraut, soy natto, kefir and other raw dairy also contain this vital vitamin. It is also important to note that according to research vitamin K supplements will also contain Menaquinone-7 and are a better choice than those without.