Auricularia Auricula Fungus (Mu Er). Black fungus contains vitamin K, which can assist prevention of blood coagulation, thrombosis, and embolism. Regular consumption can help prevent atherosclerosis and coronary heart disease. It is rich in iron, as well as cellulose and a special plant collagen. Cellulose and collagen together can promote intestinal fat/food excretion, prevent constipation, and help the body to remove toxic substances. Consumed in soups, it supplements the qi and blood moves the qi and quickens the blood. It is used for postpartum blood vacuity and blood stasis with abdominal pain, excessive bleeding prolonged lochia and dizziness.