Heartburn knocking away :)
Sounds pretty strange, but works for me. Do not know exactly why, I have recently found out by chance. If I have heartburn, then I tap with my flat fist for a few seconds on the upper part of the abdomen, just below the breastbone. That helps. I suppose that does not help against any kind of heartburn, maybe light.
Advantage: is easy to carry out everywhere and available, you do not have to take anything. Has anyone had similar experiences?