Heartburn in a 90% cases is not caused by of too much of Acid but too little. When food enters it cannot digest properly and end result is the esophageal sphincter relaxing and not closing properly.
Most likely this is a problem with Gallbladder or Liver that is not yet manifesting on Blood Scans.
I believe this to be true as I have suffered from many of these Digestive Problems. I have seen many Naturopath doctors over the period of 25 years and have confirmed this to be true.
Here is what Dr Berg has to say about this problem
