According to renowned herbalist Rosemary Gladstar, «The best herbs to use for treating heartburn are those that calm the nervous system and are good digestive nervines, such as chamomile, hops and lemon balm. (mommypotamus.com)
This spice comes from a shrub closely related to ginger, and its traditional uses include treating heartburn, stomach ulcers, gallstones, inflammation, and cancer. (blog.paleohacks.com)
Never try to treat heartburn with soda, otherwise you will make it more pronounced. (infobaby.org)