I mean, if you really want to be 100% sure, it is going to cost you a fortune, here's why: You have adult parasites, larvas, their eggs, encysted parasites,and encysted encysted parasites all moving around your body depending on moon cycles, your immune system, and the parasites you are killing; so some parasites will go undetected when you test. You would need to get tested 3 times a day for 30 days straight, that means urine, blood, stool, ELISA tests. That also mean you are making at least 3 BMs. That's the only way to get sure results. But SHARKMAN and Mattk3 are the few that have been cured and are helping others. Dr. Yu in St. Louis is one of the best, Dr. Klinghardt, Dr. Stephen Fry, and others