N-acetylcysteine expresses powerful anti-inflammatory and antioxidant activities resulting in complete improvement of acetic acid-induced colitis in rats - PubMed
High free radical production, low antioxidant capacity and excessive inflammation are well known features in the pathogenesis of inflammatory bowel disease. N-acetylcysteine (NAC) is a powerful antioxidant and a scavenger of hydroxyl radicals. Recently, NAC has also been shown to have...
pubmed.ncbi.nlm.nih.gov
Just a preliminary study on rats but that is how most drugs start out with testing. I know a lot of people with inflammatory bowel disease - hopefully this might be a potential treatment.