This combination of herbs has come with a great amount of research and sourcing.  The research began by reviewing many studies done in many countries on Cancer.  What it is, how it starts, what herbal options are available and what can be done to help slow or prevent its progress. We combined our Japanese Sencha green tea with the Chinese Jasmine Pearls giving it a high level of antioxidants.  Next, we followed the research involved by Nurse Rene Caisse from Canada.  She developed the Essiac Tea with is a self-help blend containing Rhubarb Root, Burdock Root, Sheep Sorrel and Slippery Elm Bark.  We blend this full strength to no miss out on the healing herbs that this combination provides.  Not Safe for Active Chemo -- Safe for Radiation/ Immunotherapy ONLY NOTE: “This/these claim(s) has/have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.”