Parsley has been used as a source of certain vitamins and minerals. Parsley seed was used traditionally as a carminative to decrease flatulence and colic pain. The root was used as a diuretic and the juice to treat kidney ailments.
Parsley's vitamin K is important because it helps blood to clot in addition to contributing to bone health. Parsley is rich in vitamin C and other antioxidants, which help reduce the risk of serious health conditions like diabetes, stroke, heart disease and cancer. It's also an excellent source of: Vitamin A.