Solaray presents the Cascara Sagrada Bark 450mg, a high-quality oral supplement, meticulously sourced and lab verified. Our mission since 1973 has been to provide the highest-quality supplements to help you live brighter. This supplement, made from the bark of the Cascara Sagrada tree, is part of our commitment. With Solaray, you're not just choosing a supplement, you're choosing a partner dedicated to your well-being.