Burdock is rich in inulin protein, fat , fiber, minerals, vitamin A, B and C and "arginine" other ingredient. Among them ' Argininie" may promote sex hormone secretion. Burdock vinegar can improve skeletal pain, relieve body heat, lower blood pressure , help digestion and swelling antipyretic, prevent coronary sclerosis and other effects. Burdock vinegar is not suitable for people with low blood pressure. people who always with hands n feet cold, people who suffer from digestive tract ulcer as well as hemorrhage.