Bitter yam is eaten by the three major tribes in Nigeria. often as a special delicacy. The Ekiti people of Western Nigeria even consume it as a staple diet. It is also used by the locals for medicinal purposes. http://www.bekindtopets.com/super-pick-Rx-Quadruple-Topical-Ointment-Quadritrop-for-Dogs-Cats-30-mL-super-grab/