Why does coffee give me heartburn?

Coffee stimulates gastric acid production via gastrin release and relaxes the lower esophageal sphincter, allowing acid to flow back into the esophagus. Drinking coffee on an empty stomach worsens this effect.

How do I stop coffee from causing heartburn?

Always eat before drinking coffee, switch to cold brew (lower acid), add milk or cream, reduce your dose, and avoid coffee within 2 to 3 hours of lying down. If these modifications are not sufficient, switching to matcha is the most effective dietary change.

Is decaf coffee better for heartburn?

Slightly. Decaf produces somewhat less reflux than regular coffee, but both significantly increase reflux compared to water. For people with GERD or frequent heartburn, decaf is often not enough of an improvement.

Should I stop drinking coffee if I have GERD?

If coffee consistently triggers your heartburn or GERD symptoms, reducing or eliminating it is worth trying. Switching to matcha is the most effective dietary change for coffee-related GERD. Consult a healthcare provider for personalized advice. This is general information, not medical advice.

Does Coffee Cause Heartburn (and Why)?

Q: Does coffee cause heartburn?

Yes. Coffee stimulates gastric acid production and relaxes the lower esophageal sphincter, both of which cause heartburn. Both regular and decaf coffee produce these effects. This is general information, not medical advice.

Q: What can I drink instead of coffee if I have heartburn?

Matcha is the best evidence-backed alternative. It is less acidic than coffee, does not contain the compounds that stimulate gastric acid production, and does not relax the LES the way coffee does. Most people who switch from coffee to matcha report significant improvement in heartburn symptoms.

Why does coffee cause heartburn?

Heartburn occurs when stomach acid flows back into the esophagus, causing a burning sensation in the chest. Coffee contributes to this in two ways. First, it stimulates the release of gastrin, a hormone that increases gastric acid production, putting more acid in the stomach. Second, it relaxes the lower esophageal sphincter (LES), the muscular valve that normally prevents stomach contents from flowing back into the esophagus.

A 1994 study in the European Journal of Gastroenterology and Hepatology found that both regular and decaffeinated coffee significantly increased gastroesophageal reflux compared to water. Coffee is consistently identified as one of the most common dietary triggers for heartburn and GERD in clinical guidelines. This is general information, not medical advice.

Both regular and decaffeinated coffee significantly increased gastroesophageal reflux compared to water - European Journal of Gastroenterology and Hepatology, 1994

Does everyone get heartburn from coffee?

No. Approximately 20% of adults in the US experience GERD (gastroesophageal reflux disease), and coffee is a common trigger for this group. People without pre-existing reflux conditions may tolerate coffee without heartburn, particularly at moderate doses and when consumed with food.

Risk factors for coffee-induced heartburn include: pre-existing GERD or hiatal hernia, drinking coffee on an empty stomach, consuming large amounts of coffee, being overweight (increases abdominal pressure on the LES), and pregnancy. People with these risk factors are most likely to experience heartburn from coffee. This is general information, not medical advice.

Approximately 20% of US adults experience GERD - American College of Gastroenterology, 2022

What is better than coffee for people with heartburn?

Matcha is the most evidence-backed alternative for people with coffee-induced heartburn. Matcha is less acidic than coffee, does not contain the chlorogenic acids that stimulate gastric acid production, and does not relax the lower esophageal sphincter the way coffee does.

Matcha provides approximately 70mg caffeine per 2g serving plus L-theanine for calm, sustained energy. Most people who switch from coffee to matcha report significant improvement in heartburn symptoms within 1 to 2 weeks. Herbal teas (chamomile, ginger, licorice root) are caffeine-free options that may also help soothe the esophagus. This is general information, not medical advice.

Matcha contains approximately 70mg caffeine per 2g serving - USDA FoodData Central, 2024

Does Coffee Cause Heartburn (and Why)?

Why does coffee cause heartburn?

Does everyone get heartburn from coffee?

What is better than coffee for people with heartburn?

Frequently Asked Questions

References