Do Probiotics Cause Gas? Truths and Myths About Probiotics

  • Probiotics help in reestablishing a healthy microbial balance in the digestive tract.
  • Probiotics help maintain a healthy gut microbiome, which in turn leads to better digestion.
  • Your immune system can get a boost from taking probiotics.

Do Probiotics Cause Gas?

Probiotic supplements and fermented foods like yogurt have gained popularity in recent years for their purported beneficial effects on gut microbes. Do probiotics cause gas is a common question. It's possible that this is discouraging people from trying probiotics. There are far too many moving parts to provide a single explanation. In this piece, we will explore the science behind probiotics and gas to help you better understand the effects of these beneficial bacteria on the digestive system.

Many believe that consuming probiotics, which are "live bacteria and yeasts," has positive effects on health. Naturally fermented foods like yogurt, kimchi, kefir, and sauerkraut contain them, and supplements containing them are also for sale. Some people may be hesitant to try probiotics due to concerns about gas, despite their increasing popularity.

How do probiotics work?

Understanding how probiotics function is necessary before exploring their possible role in causing flatulence. Probiotics are beneficial because they restore a healthy bacterial balance in the intestines. Digestion problems like bloating, constipation, and diarrhea can originate from a bacterial imbalance in the gut.

Probiotics help by reestablishing a healthy microbial balance in the digestive tract. This has the potential to enhance digestion and strengthen immunity. Many foods, such as yogurt, kefir, sauerkraut, and kimchi, contain probiotics. Supplements containing them are also an option.

Do probiotics cause gas?

Let's clear up the air about the misconception that probiotics produce gas. Some people may experience gas when they first begin taking probiotics, but this is usually temporary and not cause for alarm. This is a positive indicator that the probiotics are doing their job.

When you start taking probiotics, the good bacteria are introduced to your gut and immediately get to work maintaining a healthy microbial balance. These bacteria can produce gas as their population increases. This gas is produced as a byproduct of fermentation, which occurs when bacteria in your gut break down food.

Gas may result from taking probiotics; however, this is a healthy and natural process. Some health professionals even recommend taking notice of an increase in gas production as a sign that the probiotics are doing their job.

The science behind probiotics and gas

Can probiotics cause gas? The connection between probiotics and gas is intricate. Some people may experience gas formation when taking probiotics, despite the fact that these beneficial bacteria can help improve gut health and alleviate gastrointestinal symptoms like constipation, gas and bloating.

This is because probiotics do their job by increasing the population of good bacteria in your digestive tract. These bacteria can aid in digestion and nutrient absorption, relieving some gastrointestinal distress. However, gas can be produced as a byproduct of fermentation as the beneficial bacteria begin to multiply.

The possibility of probiotics making you gassy is also related to the specific probiotic strain taken. The gassiness of your stomach after taking a probiotic may vary depending on the strains of bacteria it contains. It's best to do some research to find out which probiotic will work best for you and then to start with a small dose to see how your body responds.

Myths and facts about probiotics and gas

Let's look at some myths and facts about probiotics and gas now that we know the science behind it.

Myth: All probiotics cause gas.

This is not true. Even though some probiotic strains may cause flatulence, this is not the case for everyone who takes them. Each probiotic strain has its own set of advantages and disadvantages. Gas production could even be lowered by certain strains.

Fact: Probiotics can cause gas in some people.

As previously mentioned, some people may experience gas when taking probiotics, especially those who are not accustomed to them. This is because altering the composition of the microbiome in the gut in this way can increase gas production. This is a common reaction, but it passes as your body adjusts to the new bacteria.

Myth: Probiotics should be avoided if you have gas.

This is not always the case. Probiotics have been linked to a reduction in gas production, which may seem counterintuitive at first. This is because they are effective at reestablishing a healthy equilibrium between good and bad bacteria in the digestive tract, which in turn benefits digestive health as a whole. However, you should consult your doctor about the best course of action if you experience excessive gas or discomfort after taking probiotics.

Fact: The type of probiotic you take can affect gas production.

The impact on flatulence of various probiotic strains varies. Different strains of Lactobacillus and Bifidobacterium, for instance, have opposite effects on gas production. If you want to know which probiotic strain is best for you, it's best to consult a doctor.

Myth: Probiotics are the only way to reduce gas.

The opposite is true. Though probiotics have been linked to reduced gas production, there are other measures that can be taken as well. Beans, lentils, and some vegetables are examples of foods to avoid because they are known gas triggers. To aid digestion, try eating smaller, more frequent meals.

Benefits of probiotics

Probiotics have a wide range of benefits for your gut health, but they can cause gas in some people. The many advantages of probiotics include the following:

Improved digestion: Probiotics help maintain a healthy gut microbiome, which in turn leads to better digestion. Symptoms of gastrointestinal disorders like gas, constipation, and diarrhea may improve as a result.

Boosted immune system: Your immune system can get a boost from taking probiotics because they help maintain a healthy bacterial balance in your digestive tract. Inflammation will be decreased, and infections avoided, if you do this.

Reduced inflammation: The anti-inflammatory properties of probiotics make them useful for treating a wide range of medical issues, including inflammatory bowel disease.

Tips for reducing gas while taking probiotics

There are some measures you can take to lessen the likelihood of flatulence while taking probiotics. If you're experiencing excessive flatulence after taking probiotics, try these measures:

Start with a low dose: It is recommended to begin taking probiotics at a low dose and gradually increase it over time. Gas problems may be alleviated as your digestive system adjusts to the novel bacteria.

Choose the right probiotic: Pick the right probiotic because it's not like they're all the same. It's best to do some research to find out which probiotic will work best for you and then to start with a small dose to see how your body responds.

Take probiotics with food: The fermentation process can be slowed by taking probiotics with food, making gas less likely to occur.

Stay hydrated: In order to alleviate the discomfort caused by gas and bloating, it is recommended that you drink plenty of water.


Although probiotics are helpful in boosting digestive health, they may trigger gas in some individuals. While this is a healthy and natural progression, there are steps you can take to minimize discomfort. If you follow the advice in this article and start with a small dose of the right probiotic, you can reap the benefits of probiotics without worrying about gas. Your digestive system will be grateful to you if you try probiotics.


  1. Harvard Health. (2014). Understanding the health benefits of taking probiotics. [online] Available at: ‌
  2. Harvard Health Publishing. (2017, June 7). The benefits of probiotics bacteria - Harvard Health. Harvard Health; Harvard Health.


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