Every person with IBS is different.What diet works for any given IBSers is different. It depends on a lot of factors as to which thing sets which person off.There is no universal this is what you should eat with IBS diet. There are no universal foods you should avoid. The best diet for you will not be the best diet for someone else. The reason there is so much conflicting information is it depends on what is setting them off, which may not be what sets you off.Fiber absorbs water and makes loose stools firmer for some people.Some people do white bread over wheat bread because the mix of soluble to insoluble fiber is different. Soluble fiber may be better for some with IBSd than insoluble.Some people have the exact same symptoms no matter what diet they eat. If this is you, eat healthy and what you like and don't worry about the millions of conflicting diet advice information out there.Some things do tend to trigger diarrhea so may be things you need to look out for. Usually the best way to find what works for you is to keep a food journal and note your symptoms. If you always have bad symptoms after a particular food then you may want to limit that. Sometimes you don't have to totally eliminate it, but you may have to make that something you only have in very small amounts. Sometimes you have to completely eliminate it.Common IBS-d trigger foods (some of which may help if you have constipation)Fatty/Greasy meals (increases the gastrocolic reflex)Fruits containing sorbitol (plums, peaches, apples, pears, cooked versions are OK)High Fructose Corn SyrupOccasionally Lactose containing foods (can use lactase enzyme to prevent this).K.