Botanical Name: Rheum palmatum Plant Part Extracted: Decorticated Rhizome & Root Contains: Certified organic grain alcohol, distilled water & Rhubarb extractives. Description: We prepare our Rhubarb Extract from the rhizome & root of Rheum palmatum plants which are cultivated, harvested & processed according to traditional Chinese methods. To assure optimal extraction of Rhubarb's bioactive compounds, the rootstock is harvested in late autumn or early spring, is deprived of its crown, rootlets & outer bark, is carefully slow-dried, and is then thoroughly extracted. Caution: Do not use this product if you have abdominal pain or diarrhea. Seek expert medical advice prior to use during pregnancy or nursing. Do not exceed recommended dose. Not for long-term use. Keep Out of the Reach of Children .