Cascara Sagrada is a natural remedy obtained from the bark of the Rhamnus purshiana tree. This herbal supplement has been used for its laxative effects for centuries. However, not many people are familiar with its name. If you are looking for synonyms for Cascara Sagrada, you can try searching for Rhamnus purshiana, Buckthorn, Sacred Bark, Chittem or Purshiana Bark. These alternative names may be easier to remember and can help you search for the supplement more efficiently. Regardless of its name, Cascara Sagrada remains a popular herbal supplement that provides relief from constipation and supports healthy digestive function.