Pau D Arco Inner Bark Certified 545 mg Pau d'arco (Tabebuia impetiginosa), also known as Lapacho or Taheebo is native to the rain forest.Nature's Way encourages active participation in saving the worlds natural rainforests. Supplement Facts Serving Size: 2 Capsules Amount Per Serving % Daily Value Total Carbohydrate 1 g <1% Calcium 30 mg 3% Pau d'Arco (inner bark) 1.09 g.