Renemcaisse Essiac - Introduced by Rene Caisse in 1922, from a formula developed by the Ojibwa Indians, this potent combination of Burdock Root, Indian or Chinese Rhubarb, Sheep Sorrel and Slippery Elm Bark, is an organic, non-toxic, drug-free, herbal elixir with tremendous healing and rejuvenating properties. Well-known for its healing, soothing and cleansing properties, this delicious powder helps detoxify and purify the system, strengthen and support immune functions, remove toxic heavy metals, promote cell renewal and boost energy levels.