Pau D' Arco is derived from the inner bark of the Tabebuia tree, which is native to the rainforests of South America. Traditionally used for its health-promoting properties, Pau D' Arco contains a variety of compounds, including napthoquinones, which are thought to provide supportive effects for the immune system. Now Foods Pau D' Arco capsules offer a convenient way to incorporate this unique herbal supplement into your daily routine.