FTC/ASA Disclosure: Some links in this post are affiliate links. At no additional cost to you, I will earn commission if you purchase via my links. Thank you in advance for your support! 🙏 It means a lot to me. ❤️


Acid reflux, also known as gastroesophageal reflux disease (GERD), is a condition in which stomach acid flows back into the esophagus, causing a burning sensation in the chest known as heartburn. It is a common digestive disorder that affects millions of people worldwide. The main cause of acid reflux is a weakened lower esophageal sphincter (LES), which is the muscle that separates the stomach from the esophagus. When the LES is weakened, it allows stomach acid to flow back into the esophagus, leading to acid reflux.

There are several factors that can contribute to the weakening of the LES and the development of acid reflux. These include obesity, pregnancy, smoking, certain medications, and certain foods and beverages. Certain foods and beverages can trigger or worsen acid reflux symptoms, and one such beverage is coffee.

Understanding the Role of Coffee in Acid Reflux

Coffee is one of the most popular beverages in the world, and it is also one of the most commonly consumed beverages among acid reflux sufferers. Many people with acid reflux find that drinking coffee can trigger or worsen their symptoms. This has led to a lot of speculation about the role of coffee in acid reflux.

Coffee contains several compounds that can contribute to acid reflux symptoms. These include caffeine, acids, and other components that can irritate the lining of the esophagus and increase the production of stomach acid. Additionally, coffee can relax the LES, making it easier for stomach acid to flow back into the esophagus.

The Science Behind Coffee and Acid Reflux

To understand how coffee affects acid reflux, it is important to understand the digestive process. When we eat or drink, food travels down the esophagus and into the stomach. The stomach produces hydrochloric acid to help break down food and kill bacteria. The LES acts as a barrier between the stomach and the esophagus, preventing stomach acid from flowing back up into the esophagus.

When we consume coffee, it can stimulate the production of stomach acid. This can lead to an increase in the amount of acid in the stomach, which can then flow back into the esophagus and cause acid reflux symptoms. Additionally, coffee can relax the LES, making it easier for stomach acid to flow back into the esophagus.

The Components of Coffee that Trigger Acid Reflux

Coffee contains several components that can trigger or worsen acid reflux symptoms. One of these is acidity. Coffee is naturally acidic, and this acidity can irritate the lining of the esophagus and increase the production of stomach acid. The acidity of coffee can vary depending on factors such as the type of coffee bean, the roast level, and the brewing method.

In addition to acidity, coffee also contains other components that can contribute to acid reflux symptoms. These include compounds called catechols and N-alkanoly-5-hydroxytryptamides (C5HTs), which can stimulate the production of stomach acid and relax the LES. Coffee also contains a compound called N-methylpyridinium (NMP), which has been found to increase the production of stomach acid.

The Impact of Caffeine on Acid Reflux

Caffeine is a stimulant that is found in coffee, tea, chocolate, and many other beverages and foods. It is known to have several effects on the body, including increasing alertness and improving mood. However, caffeine can also have negative effects on digestion and can contribute to acid reflux symptoms.

Caffeine has been found to relax the LES, making it easier for stomach acid to flow back into the esophagus. It can also stimulate the production of stomach acid, leading to an increase in acidity. Additionally, caffeine can increase the production of gastric acid and pepsin, which are both involved in the digestion of food. This can further contribute to acid reflux symptoms.

The Effect of Decaffeinated Coffee on Acid Reflux

Decaffeinated coffee is a popular alternative for those who want to enjoy the taste of coffee without the stimulating effects of caffeine. However, many people with acid reflux wonder if decaffeinated coffee is a better option for them.

Decaffeinated coffee is made by removing most of the caffeine from the coffee beans. While it does contain less caffeine than regular coffee, it still contains other components that can trigger or worsen acid reflux symptoms. These include acidity and other compounds that can irritate the esophagus and increase the production of stomach acid.

The Relationship between Coffee and GERD

GERD, or gastroesophageal reflux disease, is a chronic form of acid reflux that occurs when stomach acid frequently flows back into the esophagus. It is a more severe condition than occasional acid reflux and can cause more severe symptoms, such as chest pain, difficulty swallowing, and chronic cough.

Coffee has been found to worsen GERD symptoms in many individuals. The acidity and other components in coffee can irritate the lining of the esophagus and increase the production of stomach acid, leading to more frequent and severe episodes of acid reflux. Additionally, coffee can relax the LES, making it easier for stomach acid to flow back into the esophagus.

How to Reduce Acid Reflux Symptoms Caused by Coffee

If you suffer from acid reflux but still want to enjoy a cup of coffee, there are several steps you can take to reduce your symptoms. First, you can try switching to a low-acid coffee or a coffee alternative that is less likely to trigger acid reflux. These options include cold brew coffee, which has lower acidity than hot brewed coffee, or herbal teas that do not contain caffeine or irritants.

Another option is to drink coffee in moderation and with food. Drinking coffee on an empty stomach can increase the likelihood of acid reflux symptoms, so it is best to have a small meal or snack before enjoying your cup of coffee. Additionally, you can try diluting your coffee with milk or water to reduce its acidity.

Lifestyle changes can also help alleviate acid reflux symptoms caused by coffee. These include maintaining a healthy weight, avoiding smoking and alcohol, and eating smaller, more frequent meals. It is also important to avoid lying down immediately after drinking coffee, as this can increase the likelihood of acid reflux symptoms.

Alternative Beverages to Coffee for Acid Reflux Sufferers

If you find that coffee consistently triggers or worsens your acid reflux symptoms, there are several alternative beverages that you can try. These include herbal teas, such as chamomile or ginger tea, which do not contain caffeine or irritants that can trigger acid reflux. You can also try drinking green tea, which contains less caffeine than coffee and has been found to have some beneficial effects on digestion.

Another option is to switch to non-caffeinated beverages, such as decaffeinated coffee or decaffeinated tea. While these still contain some acidity and other components that can trigger acid reflux symptoms, they may be better tolerated by some individuals.

To Drink or Not to Drink Coffee with Acid Reflux?

In conclusion, coffee can trigger or worsen acid reflux symptoms in many individuals. It contains several components that can irritate the esophagus and increase the production of stomach acid, including acidity and caffeine. However, the impact of coffee on acid reflux can vary from person to person, and some individuals may find that they can tolerate small amounts of coffee without experiencing symptoms.

If you suffer from acid reflux and want to continue drinking coffee, it is important to pay attention to your body and how it reacts to coffee. If you find that coffee consistently triggers or worsens your symptoms, it may be best to avoid or limit your consumption. However, if you find that you can tolerate small amounts of coffee without experiencing symptoms, you may be able to continue enjoying your cup of joe. It is always best to consult with a healthcare professional for personalized advice and guidance.

If you’re a coffee lover who also suffers from acid reflux, you may be wondering if your favorite beverage is contributing to your discomfort. According to a recent article on BrewHilda.com, titled “Can Coffee Cause Acid Reflux?”, the answer may not be as straightforward as you think. The article explores the relationship between coffee and acid reflux, providing insights into the potential causes and ways to minimize the impact. To learn more about this topic, check out the article here.


Brewhilda.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.