NOW Foods Pau D' Arco provides 500 mg of inner bark per serving, offering herbal support that has been traditionally used for centuries. This product is non-GMO project verified and is a dietary supplement. It is suitable for vegetarians and vegans and is Kosher certified. As a family-owned company since 1968, NOW Foods ensures GMP quality. Pau D' Arco is derived from the inner bark of Tabebuia trees, native to the Amazonian rainforest, and contains active compounds like lapachol and beta-lapachone.