For millions of people, a proton pump inhibitor (PPI; a common class of medication used to treat heartburn and acid reflux) has quietly become part of the daily routine. It sits right alongside the morning vitamins and coffee, taken without much thought, often for years on end. What started as a short-term fix at some point became permanent. The prescription got renewed over and over, and time marched on.
PPIs are among the most widely used drug classes in the world. Globally, more than 25% of people experience acid-related digestive conditions like GERD, and proton pump inhibitors have become the default treatment for managing them. While PPIs can be helpful for acute, short-term relief, a growing body of research suggests that long-term, ongoing use carries real risks that deserve additional attention.
What PPIs Actually Do
Proton pump inhibitors work by blocking specific protons in the stomach lining responsible for producing acid. Less acid means less burning, less reflux, and for many people, relief from a painful and disruptive problem.
Clinical guidelines have always been clear about how long PPI treatment should last. Most acid-related conditions call for a course of 4 to 8 weeks, enough time to calm inflammation and allow the esophagus to heal. PPIs were never designed to be a permanent daily fixture, and yet that is precisely what they’ve become for an enormous number of people.
A Medication That Outgrew Its Purpose
Research on actual prescribing patterns tells a striking story. Multiple studies have found that a significant share of PPI prescriptions have no clear, documented medical justification. One study of hospitalized patients found that 65.2% had no valid medical indication for the PPI they were prescribed. Even more striking, 82.6% of patients were still prescribed a PPI at discharge.
How does a short-term medication end up being taken for years? Often, it comes down to simple momentum. A prescription gets renewed because it’s easier than revisiting the original reason it was prescribed, especially during a brief primary care visit where there are more pressing concerns to address. The growing availability of PPIs over the counter adds another layer to this pattern, since many people now start and continue long-term use entirely on their own, without any medical check-in at all. A 6-week course quietly becomes a 6-year habit for millions of people, one renewal at a time.
What the Research Shows About Long-Term Use
The research connecting long-term PPI use to broader health effects has grown substantially in recent years, and it comes from credible, well-respected institutions.
Researchers at Johns Hopkins University found that PPI users had a 20 to 50% higher risk of developing chronic kidney disease compared to non-users. A separate study from Washington University School of Medicine followed 125,000 patients over five years and found that more than half of the chronic kidney damage cases linked to PPI use developed silently, with no warning signs, in people who had never experienced an acute kidney problem.
Other documented associations include an increased risk of bone fractures and vitamin B12 deficiency, both of which trace back to the same underlying mechanism: reduced stomach acid impairs how the body absorbs and uses key nutrients. Calcium requires adequate stomach acid to be properly absorbed, and over years of suppressed acid production, that can affect bone density. Vitamin B12 follows a similar path, since it must be released from food by stomach acid before the body can absorb it, making B12 deficiency a logical, well-documented consequence of long-term suppression.
Stomach acid serves as one of the body’s first lines of defense against ingested bacteria, killing many pathogens before they reach the intestines. When that acid is suppressed for years, more of those bacteria survive, which has been linked to an increased risk of both C. difficile infection and pneumonia.
Rethinking What Heartburn Actually Means
While excess acid is often blamed for heartburn and reflux, some practitioners believe that inadequate stomach acid production or impaired digestive function may also contribute to symptoms.
When stomach acid is too low or poorly regulated, food doesn’t break down efficiently. It can sit in the stomach longer than it should, allowing bacteria to ferment undigested carbohydrates and proteins, which produces gas and pressure. That pressure is what pushes stomach contents upward into the esophagus, creating the burning sensation we call heartburn. In those cases, suppressing acid further may ease the symptom without resolving what’s actually driving it.
This reframe matters because it opens up an entirely different approach: supporting the body’s ability to produce and regulate acid properly in the first place.
Supporting the Body’s Own Acid Production
This is where the amino acid l-histidine comes in. L-histidine serves as a precursor involved in the body’s natural production of stomach acid and other important physiological processes. Supporting healthy l-histidine levels helps the stomach produce the right amount of acid at the right time for proper digestion. PERQUE L-Histidine Guard™ provides this amino acid in a simple, targeted form to support healthy digestive function.*
Herbal bitters have traditionally been used to stimulate the body’s own production of saliva, stomach acid, bile, and digestive enzymes. PERQUE DigestivAide™ Herbal Bitters brings this tradition into a modern formulation, supporting digestion from the start of a meal.* Research suggests that bitter compounds activate taste receptors that signal gastric parietal cells to increase acid secretion.
Probiotics offer another promising avenue worth exploring. Research has examined how beneficial bacteria can help support digestive comfort and microbial balance, offering a gentler, more foundational approach to digestive support. PERQUE Digesta Guard Forté 10™ provides a broad-spectrum blend of beneficial bacteria that supports digestive balance through a different but complementary mechanism.
A few simple habits round out this approach: eating meals at a consistent pace rather than rushing, chewing food thoroughly, and being mindful of common trigger foods like excess caffeine, alcohol, and rich, fatty meals, all of which can affect how efficiently the stomach manages acid and digestion.
A Conversation Worth Having
If you’ve been on a PPI for months or years without revisiting why, that’s a conversation worth bringing up at your next doctor’s appointment. And if your digestive discomfort might actually stem from low stomach acid, supporting the body’s natural processes may be worth exploring as part of that conversation.
Digestive health, like most things in the body, works best when we understand what’s actually happening beneath the symptom.
This article is for informational purposes only and is not intended as medical advice. Please consult your physician before making any changes to how you take a prescribed medication.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.