Some of the most common symptoms of Vitamin K deficiency include excess bleeding since Vitamin K plays a role in the proteins in the blood, which helps a cut or wound to clot and heal properly. However, in general, having Vitamin K deficiency could cause one to bruise easily, result in blood in the stool and urine and even lead to excessive bleeding, Women may have heavy periods and may potentially have bone health concerns. Vitamin K deficiency results from insufficient dietary vitamin K1 or vitamin K2 or both.