Twinkle is right all the detox in the world will not help if you keep loading up on soy, dairy, junk food, foods loaded with preservatives, fast foods, artificial sweeteners, etc....
You have to avoid bad fats buy the oils that are with the olive oils
olive oil, coconut oil, almond oil, grape seed oil, etc....
not the crisco/wesson
eat high fiber-whole grains/whole wheat
Balance your PH
Lesson 18 - Acid - Alkaline Balance
Detoxes, metamucil, etc should not be taken regularly because your digestive system and colon could get dependent on them.
A good detox that I would use would contain milk thistle, burdock, slippery elm and other things for the digestion. It should not be taken regularly. With the IBS I would check with the dr about taking anything.