The most important supplement I take is Fish Oil. It’s a natural anti-inflammatory, lowers cholesterol, helps rebuild myelin, and can also help stabilize moods.
http://ibdcrohns.about.com/cs/alternremedies/a/fishoilibd.htm
http://www.pdrhealth.com/drug_info/nmdrugprofiles/nutsupdrugs/fis_0106.shtml