Luna, I'm not an expert on this but I relisten every night to one of the tapes. I really like the #4 side with the "star flakes". I surely hope that your current problem is food or something else but some keep getting better after finishing the program and I think BQ said she didn't get relief until she finished the program for the second time? I do know that nothing in the program can cause bad side effects and this method to relieve your IBS is NOT a fast immediate response like popping a pill. All I know is listen to your favorite and keep a positive attitude to fully help yourself and the experts will offer you advice when they see this thread! Best wishes, Norb