Nature's Sunshine | Pau d' Arco

Pau D' Arco bark comes from a tree that grows primarily in Argentina and Brazil. It contains a chemical called lapachol, which may account for the herb's traditional use in strengthening and supporting the immune system. Pau D'Arco also has been used traditionally to maintain a healthy circulatory system Benefits: Strengthens and supports the immune system. Fortifies against foreign invaders.