Does Coffee Cause Heartburn? Unraveling the Truth

Every morning, countless individuals reach for their beloved cup of coffee. This invigorating brew is hailed globally, but it raises an age-old health concern: Does coffee cause heartburn? Let’s delve into this burning question.

Does Coffee Cause Heartburn?

Hot Coffee

Yes, coffee can cause heartburn in some individuals, but its effect varies based on several factors. Let’s delve deeper into the reasons:

1. The Impact on the Lower Esophageal Sphincter (LES)

Coffee contains compounds that can potentially relax the LES, the muscle responsible for keeping stomach acid where it belongs. When relaxed, it could allow acid to flow back into the esophagus, resulting in acid reflux – a primary symptom of heartburn.

2. Acidity of Coffee

Most coffee lovers have heard about its acidic nature. The brew’s intrinsic acidity could irritate the sensitive lining of the esophagus, especially if consumed in large amounts or on an empty stomach. This irritation is often mistaken for or leads to heartburn.

3. Stimulating Stomach Acid Production

Coffee, especially when consumed in large quantities, might also stimulate the stomach to produce more acid. This excessive acid can, at times, lead to heartburn, particularly in individuals more prone to the condition.

Factors That Influence Coffee’s Impact on Heartburn

1. Amount and Frequency of Consumption

The sheer volume of coffee consumed plays a significant role. Drinking coffee in moderation may not induce heartburn, but excessive or frequent consumption increases the likelihood of heartburn symptoms.

2. Individual Sensitivity to Caffeine

Some individuals have a heightened sensitivity to caffeine, which can stimulate acid production in the stomach. For these individuals, even small amounts of coffee might trigger heartburn.

3. Additives in Coffee

Ingredients added to coffee like sugar, milk, cream, and certain flavorings might exacerbate heartburn in some people. For instance, high-fat creamers can lead to increased acid production.

4. Acidity Level

The type of coffee bean and its roast can determine its acidity. Darker roasts are often less acidic than lighter ones. Additionally, certain specialty coffees are specifically marketed as low-acid for those concerned about this issue.

5. Brewing Method

How coffee is brewed can alter its acidity and other components. For example, cold brews are often less acidic than hot brews. Using a paper filter can also help reduce the number of compounds in coffee that stimulate acid production.

6. Time of Consumption

Drinking coffee on an empty stomach can heighten its impact on heartburn. Furthermore, having coffee right before lying down or bedtime can increase the risk of acid reflux.

7. Individual Biological Factors

Factors like age, genetics, and overall gut health can influence how a person’s body reacts to coffee. Some people might have a naturally weaker Lower Esophageal Sphincter (LES), making them more prone to reflux when consuming coffee.

8. Existing Health Conditions

People with conditions like gastroesophageal reflux disease (GERD) or hiatal hernias might experience exacerbated symptoms when they consume coffee.

9. Medications and Drugs

Some medicines can weaken the LES or increase stomach acid production. When combined with coffee consumption, the risk of heartburn can rise.

Understanding these factors can help individuals make informed choices about their coffee consumption and manage potential heartburn risks. Adjusting one or more of these factors can make it possible for many to enjoy their coffee without discomfort.

Tips to Enjoy Coffee Without Heartburn

Downsides of Hot Coffee

1. Opt for Low-Acidity Coffee

There’s a variety in the pH levels of different coffee beans. Low-acid coffees are specifically designed to be gentler on the stomach, and they usually derive from beans grown at low altitudes or are processed differently to reduce acidity.

These coffees provide a milder taste while still offering the caffeine kick and coffee flavor many crave. Trying brands that market themselves as “smooth” or “low-acid” can make a significant difference in how your body reacts post-consumption.

2. Mind the Brewing Method

How you brew your coffee matters. Cold brews, for instance, extract fewer acidic compounds than their hot counterparts because of the prolonged brewing time at a lower temperature. This can result in up to 70% less acid than regular hot brew coffee.

Drip coffee makers with paper filters can also be beneficial. The filter captures a good amount of the natural oils and fatty acids (like cafestol) which have been linked to stimulating stomach acid production.

Alternatively, methods like the French press or espresso might increase the acidity because they lack this filtering process. So, choosing the right method in accordance with your body’s preference can minimize heartburn.

3. Monitor Your Portion

It’s not just the type but also the amount of coffee that can be a triggering factor. Reducing the size of your serving can be a simple yet effective remedy. Instead of having a large mug, opt for a smaller cup.

If you drink multiple cups a day, consider spacing them out or cutting back on the total number of cups you consume. It gives your stomach a chance to process the acid and caffeine content more efficiently, potentially leading to less irritation.

4. Avoid Drinking Coffee on an Empty Stomach

When you drink coffee on an empty stomach, it can stimulate the production of stomach acid, which might increase the chances of heartburn. Try consuming your coffee with a meal or at least some food. The food can act as a buffer, reducing the direct impact of coffee’s acidity on your stomach lining.

5. Limit Additives

While the coffee itself can be acidic, what you add to it can exacerbate heartburn. High-fat milk or creamers can stimulate the stomach to produce more acid. Sugary syrups or a lot of sugar can also play a role. Consider alternatives like almond or oat milk, which can be gentler on the stomach. Or simply reduce the quantity of these additives to see if it makes a difference.

6. Pay Attention to Timing

Avoid drinking coffee right before you lie down or go to bed. Lying down can make it easier for the stomach’s contents to flow back into the esophagus, leading to heartburn. Aim to have your last cup of coffee several hours before bedtime or before any activity that requires lying flat.

By making some of these adjustments, coffee lovers can continue to relish their favorite brew without the dreaded burn that sometimes follows.


The relationship between coffee and heartburn is a complex one, influenced by various factors. While coffee can contribute to heartburn in some individuals, mindful consumption, understanding one’s body reactions, and making adjustments can help coffee enthusiasts enjoy their brew without the burn.

AboutCorinne Switzer

Corinne is an avid reader and takes a keen interest in conspiracy theories. When not busy with her day job, she likes to indulge the writer in her and pens columns on a wide range of topics that cover everything from entertainment, healthy living to healthcare and more.