Possible Factors for Heartburn/Indigestion
Low pancreatic output of enzymes, parasites, overgrowth of yeast, and imbalances in gut bacteria can often be at the root of digestion issues which are often at the root of heartburn and indigestion. Food sensitivity is sometimes the cause of gastrointestinal complaints. Food sensitivities can occur over time after the GI tract begins to break down (becomes "leaky") and poorly digested food particles enter the lumen of the intestine.
Ways to measure these imbalances