Glad you are doing freaking awesome.
You know, I am a firm believer in digestive enzymes beyond just bitters for people with GI woes. They really are important, especially when there is significant leaky gut and inflammation. I like GFCF Similase (check out on amazon).
Also, how is your soluble fiber intake? Do you ever eat granny smith apples? (Great source of soluble fiber). Or you can try this http://www.amazon.com/Heathers-Tummy-Organic-Irritable-Syndrome/dp/B0002ON8DU/ref=sr_1_1?ie=UTF8&qid=1369292924&sr=8-1&keywords=soluble+fiber+ibs