Rhubarb (Rheum palmatum), sometimes is also known as Sweet Round-Leaved Dock or Pieplant Etsy operates under US law & is subject to FDA rules concerning information about the benefits & attributes of plant & herbal material which means such information cannot legally be listed here but for more details of this & other herbal material please visit our website at www.luminescents.net Where this a wealth of information available Rhubarb Root Powder - Rheum Palmatum 100 Grams