Vitamin K is a fat-soluble vitamin now known for a variety of functions, however it is still referred to as the “blood clotting vitamin.” Currently, researchers are learning about its role in a wide array of physiological processes including during the COVID-19 pandemic. Vitamin K is essential for healthy bones, the cardiovascular system, the liver, kidneys, pancreas, brain and nervous system, and it has anti-inflammatory and anti-carcinogenic properties.