What is Frangulae cortex or Alder Buckthorn?

Botanical Name: Rhamnus frangula

Common Names: Alder Buckthorn, European Buckthorn, Glossy Buckthorn, Breaking Buckthorn, and Tall Hedge Buckthorn.

Frangulae cortex is a species of shrub or small tree native to Europe, western Asia, and northern Africa. It has a long history of use as a natural laxative and is also commonly used in the treatment of constipation, hemorrhoids, and other gastrointestinal disorders.

Frangulae cortex extract is known to have laxative properties due to the presence of anthraquinone compounds. The extract or tea made from the bark is also used to treat liver problems, skin diseases, and rheumatism.