One reason cancer is so lethal is its tendency to metastasize (spread) to essential organs throughout the body. The encouraging news is that a specialized fruit polysaccharide derived from citrus has demonstrated unique properties in blocking cancer cell growth and metastasis. Clinical research shows that it helps limit disease progression in men with advanced prostate cancer. In addition to its cancer-inhibiting effects, it also chelates toxic heavy metals and takes them out of your body. Reference shows where to buy. Contact info.