From the Manufacturer:
Cascara Sagrada [Intestinal], known as sacred bark, is one of Nature’s Sunshine’s most popular herbal products. The bark has been used by cultures around the world. Historically cascara sagrada has been used as an herbal laxative. Scientists are now investigating its potential for supporting gastrointestinal health. Nature’s Sunshine offers the herb individually or in many combinations. Each capsule contains 390 mg cascara sagrada