Written by Paula Owen
Expert Review By KBS Research Team
Long-term PPI use carries serious risks—from nutrient deficiencies and cognitive decline to microbiome disruption—making root-cause alternatives like Re:flux worth considering.
Upon withdrawal of PPIs, patients often experience rebound acid hypersecretion, a transient surge in acid production that can intensify symptoms (1). This creates a dependency loop, making long-term discontinuation challenging.
Prolonged PPI use has been linked to malabsorption of vitamin B12, calcium, magnesium, and iron (2,3). These deficiencies may contribute to anemia, bone fractures, and neurological dysfunction.
Several population-based studies have suggested a correlation between long-term PPI use and increased risk of dementia, with proposed mechanisms including vitamin B12 deficiency and altered central nervous system pH (4,5).
Long-term use of PPIs has also been associated with chronic kidney disease, acute interstitial nephritis, and increased cardiovascular risk (6,7).
PPIs alter the gut’s natural acid barrier, increasing susceptibility to infections such as Clostridium difficile and promoting small intestinal bacterial overgrowth (SIBO) (8).
Acid suppression can lead to compensatory hypergastrinemia and changes in the gastric mucosa, including fundic gland polyps and atrophic gastritis (9).
By affecting cytochrome P450 enzymes, PPIs can interfere with the metabolism of common medications, including clopidogrel, warfarin, and certain antifungals (10).
While PPIs remain appropriate for acute symptom relief and healing of esophageal erosions, their long-term use should be reconsidered. Many symptoms attributed to acid excess are better understood as dysfunctions of motility, mucosal protection, or esophageal sphincter tone.
The rising concerns around chronic PPI use highlight the need for safer, more holistic approaches. Emerging therapies—such as polyphenol-based combinations that support motility, sphincter function, and mucosal healing—offer a promising path forward. A shift toward root-cause resolution, rather than perpetual suppression, may benefit millions.