What you might want to do is to replenish your friendly flora in your bowels. Use a very good probiotic with bifidum bacterium that are colonizing. I believe it will help you much.
Secondly, flax hulls are also very good as fibre for the system. In addition, they have high lignans which are very good for the body against cancers, etc. There is much research on the internet to confirm this. Finally flax hulls contains a lot of bioflavonoids which are powerful antioxidants.