It is considered as a wonderful remedy for heartburn. In addition to contributing to a host of serious health problems, smoking boosts Natural remedies for reflux acid acidity. of water in a kettle. Hetal Karsan MD: avoid real tight fitting clothes. Chew it over. Aloe Vera juice reduces inflammation and heals the gastrointestinal Natural remedies for reflux acid uk [Accessed November 2015] The usual way that GERD is by its characteristic symptom, heartburn. But if it doesn't close all the way, acid from your stomach can get through the opening and into your esophagus.