Grass juice is a strong herb that will detoxify the body.Chemo thearapy drugs are so toxic that they are giving under the experimental clause of drug therapy.No chemo. drugs are approoved by the fda for use on humans!So you will have a lot of detox symptoms if you take the juice during chemo treatment.Contact one of the hippocrates healing retreats for info. on this subject.creativehealthinstitute.com or punch in hippocratesinstitutes into a search engine.May you be blessed on your journey to regain your health!Jeff.