Botanical Name: Rhamnus purshiana Common Names: Sacred Bark Cascara is used as a laxative for constipation, as well as a treatment for gallstones, liver ailments, and cancer. Some people use it as a “bitter tonic.”In foods and beverages, a bitterless extract of cascara is sometimes used as a flavoring agent.In manufacturing, cascara is used in the processing of some sunscreens. *These statements have not been evaluated by the Food and Drug Administration. The information provided is intended for educational purposes only. Consult a qualified healthcare practitioner for medical diagnosis or treatment.