Cascara Sagrada helps to cleanse the colon of damaging toxins and waste products, it is commonly used as an ingredient in many detox and cleanse herbal formulas.
The bark of the tree is used.
 
This herb kills parasites in your intestines. Will induce a bowel movement within eight to 12 hours of taking a dose. Cascara sagrada is believed by some to prevent or treat gallstones, liver problems, hemorrhoids, fissures, and even cancer.