Image by WJ Pilsak from Wikipedia Treatment in some reflux-sufferers may require addressing not just the acid in reflux, but also the pepsin. In one tantalizing research paper, alkaline water (pH 8.8) was found to instantly and permanently inactivate pepsin in vitro (ie, in a test tube). Pepsin is a stomach enzyme that can cause inflammation and mucosal damage when in the throat area. This peptic enzyme can be deposited outside the stomach due to laryngopharyngeal reflux (LPR) and ca…