Since 1972, Nature's Answer Pau D'Arco has been a trusted source for healthy immune support and maintaining intestinal flora. This full-spectrum herb, Tabebuia Impetiginosa, is tested and verified for quality, offering 1000 mg per serving. Our Vegan, Gluten-Free, and Kosher Parve formula is holistically balanced and cruelty-free, not tested on animals. We utilize Advanced Botanical Fingerprint Technology to ensure authenticity and effectiveness. As a dietary supplement, take two capsules twice daily with food or water. Other ingredients include vegetable cellulose and rice flour. We are a proudly US-based, family-owned business operating since 1972, adhering to Good Manufacturing Practices with a cGMP certified facility and over 100 quality control checkpoints in every bottle. Our vertically integrated process allows for the highest quality at the best possible price.