What are the active medicinal properties of butcher's broom?

Butcher’s broom is a plant. The root is used to make medicine.

Butcher’s broom is used for hemorrhoids, gallstones, “hardening of the arteries” (atherosclerosis), and for symptoms of poor blood circulation such as pain, heaviness, leg cramps, leg swelling, varicose veins, itching, and swelling.