Although this is an article not a study, it does cite a couple studies. It's also an interesting article, listing foods naturally high in probiotics and prebiotics, and listing a few favorite brands of one doctor.
Mother to 15 year old boy diagnosed in June, 2007.
Currently taking Asacol, omega 3s, digestive enzymes, probiotics, iron, vit. C, calcium w/D3 and a good multivitamin.
Started The Maker's Diet in early September.