* A combination of [[thyme]] and [[oregano]] oils shows promise in the treatment of colitis (a type of inflammatory bowel disease).
* [[Glutamine]] : even serious gastrointestinal and digestive diseases such as Crohn's, IBS and Colitis can see substantial improvement with glutamine supplementation.
* [[Glutathione]] : Animal-based research indicates that glutathione supplementation may aid in the treatment of colitis. In a 2003 study published in Digestive and Liver Disease, for instance, scientists discovered that glutathione supplementation significantly improved damage to the colon in rats with colitis.
== Warnings ==