Pau D'arco Extract 100mg Nature's Plus 60 Caps

What the brand says

Pau D'Arco, also known as Lapacho, Tahebo or Ipe Roxo, is native to South America where it has been used for thousands of years. Nature's Plus Herbal Actives Pau D'Arco bark extract is uniformly standardized to a minimum of 3% (3 mg) naphthoquinones (calc. as lapachol). Each capsule, providing the greatest concentration of active botanical principles, maximizes the synergistic benefits of the bark which naturally contains neutral saponins and anthraquinones.