blood clotting and wound healing. Vitamin K is very important for the health of our gut and it is being destroyed with the high modern consumption of anti-biotics, leaving humans prone to imbalance in the gut flora and concomitant illness. Deficiency in vitamin K complicates blood clotting and can manifest itself in nose bleeds, bleeding gums, heavy menstruation or even blood in the urine or stools. A propensity to bruise can also be a sign of vitamin K deficiency.