Pau d’arco is an herbal extract obtained from the inner bark of the Tabebuia avellanedae or Tabebuia impetignosa trees, also known as taheebo trees, which grow in Central and South America. Other names are ipes, ipe roxo, lapacho, tahuari, and trumpet bush. Alternative medicine practitioners claim pau d’arco has antiviral and antibiotic healing properties and may fight cancer. Pau d’arco is …