Pau d'Arco is a supplement derived from the bark of the Tabebuia avellanedae tree. It contains the compounds lapachol and beta-lapachone, and has been used traditionally to treat fungal infections, inflammation and certain cancers. Despite its natural origin, pau d'arco can potentially cause dangerous side effects when taken in excess or with certain medications.
Pau d'Arco is also confirmed as being an antiparisitic against various parasites, including: malaria
