I am not expert. It is not a subject I have read much on. These thoughts are based on reading and personal experience.
Breaking the Viscous Cycle Elaine Gottschall gives a short and interesting insight into the fundamental importance of the digestive process.
I saw you have started taking
flax seed.
Many of the packages
recommend you take with lots of water -I guess as absorbs water in the gut.
http://www.medicinenet.com/flaxseed_...al/article.htm
And as above Flax seed is reported as helping with constipation.
Dried figs will help as a gentle laxitative and fibre.
Aloe Vera may lubricate the bowel.
http://www.positivehealth.com/permit...a/aloinf20.htm
Fish oil balancing omega three and six etc will help reduce inflammation in the gut which in the longer term improves digestion promotes health etc.
Lepicol or similar provides fibre and gut flora.
http://www.lepicol.com/s/index.php
And the general healthy and difficult principles of avoiding refined foods sugar, get lots of greens etc.
The opposite extreme is not helpful either as the body is not able to digest food properly.
RB