It won't work alone. Iodine is necessary, but you have to clean the body out of what causes cancer in the first place. Clean it out and feed it some very good nutrients at the same time. If you don't clean it out, the nutrition can't get to the cells b/c of the body pollution. Every cell has a designed function and can't operate with a sewer surrounding it. Consider what the EPA does to bring life back into a lake, for instance.