• Digestive Disorders

Is Kombucha Good for Gut Health?

Medically reviewed and edited by Rachel McLeod, NP

Whether you’re a wellness enthusiast or someone looking to improve their digestive health, you’ve probably heard of kombucha.

This fizzy drink has surged in popularity due to its potential benefits, including aiding in weight loss and gut health. But what exactly makes kombucha so special?

In this article, we’ll explore everything you need to know about kombucha, including how it supports gut health and what you should consider before drinking it to help you support your overall well-being.

What is Kombucha?

Kombucha is a type of sweetened green or black tea that is fermented with a symbiotic culture of bacteria and yeast, known as a SCOBY.

During fermentation, the tea becomes rich in probiotics, organic acids, antioxidants, and vitamins that can support your health by removing toxins and boosting energy.

How Does Kombucha Affect Gut Health?

May improve digestion 

Kombucha is rich in probiotics, which are live beneficial bacteria that support a healthy digestive system.

These probiotics promote the growth of healthy bacteria in the gut that help to break down food, absorb nutrients, and prevent common digestive issues. 

They also help maintain a balanced microbiome, which is essential for various bodily functions and your overall health.

May strengthen your immune system

A large part of your immune system is located in your gut, where microorganisms play a key role in defending the body against harmful pathogens. 

The probiotics in kombucha can strengthen the immune system by promoting a healthy gut that prevents the growth of harmful bacteria and reduces the risk of illnesses. 

Kombucha also contains antioxidants and vitamins that further strengthen your immune system by protecting cells from damage, possibly leaving them vulnerable to infections.

May reduce inflammation

Chronic inflammation is linked to various health issues, including digestive disorders that develop when the gut is affected.

Kombucha contains several anti-inflammatory compounds, including:

• Polyphenols from the tea

• Organic acids that form during fermentation

• Probiotics 

These compounds can alleviate oxidative stress, a known trigger of inflammation, by neutralizing free radicals that damage cells. 

By reducing oxidative stress, kombucha can promote a healthy gut environment that supports your overall well-being. 

What are the Other Health Benefits of Kombucha?

Weight loss

Kombucha may aid your weight loss efforts due to various factors, including:

• Probiotic content: The probiotics found in kombucha can support a healthy gut microbiome, which is essential for your metabolic and digestive processes. When your gut microbiome is healthy, it may speed up your metabolism, which helps you burn more calories during digestion.

• Low in calories: Kombucha is low in calories, making it a great alternative to sugary sodas and juices. This can help you lose weight by creating a calorie deficit, which occurs when you burn more calories than you consume.

• High in antioxidants: Some studies suggest that the acetic acid in kombucha may help control appetite and reduce body fat, helping you lose weight. 

Although kombucha has several benefits that may help with weight loss, drinking it alone won’t be enough. 

Weight loss involves a comprehensive approach, which includes following a healthy diet and exercising more.

May reduce your risk of disease

Kombucha is rich in antioxidants that help protect the body from oxidative stress and inflammation, which are both linked to chronic diseases like cancer and diabetes.

The organic acids produced during kombucha’s fermentation process — including acetic and lactic acids — also have antimicrobial properties that keep the gut microbiome healthy.

These acids may also reduce your risk of developing gastrointestinal diseases. 

Lastly, kombucha made from green tea retains its beneficial compounds. This includes substances like catechins, which have strong disease-fighting properties.  

Improves heart health

Some studies have shown that the probiotics in kombucha may help lower low-density lipoprotein (LDL) cholesterol levels — also known as “bad” cholesterol.

At the same time, these probiotics can increase high-density lipoprotein (HDL) cholesterol — known as “good” cholesterol.

This balance is essential for maintaining your cardiovascular health, as high levels of LDL cholesterol contribute to heart disease. 

The antioxidants in kombucha can also help protect the heart against damage by reducing inflammation and improving blood vessel function. 

Are There Any Risks Associated with Drinking Kombucha?

Overconsumption 

While kombucha has several health benefits, drinking too much can lead to adverse effects, such as:

• Digestive issues, including bloating, gas, and diarrhea

• Caffeine addiction due to the caffeine content in kombucha 

• Acidosis, which is when the body’s acidic levels are too high 

• Headaches and nausea

Drinking more than 16 ounces of kombucha per day is generally considered overconsumption, so always stick to the recommended daily intake of 4 to 8 ounces.

Quality and safety 

The quality and safety of kombucha can vary significantly, especially between homemade and commercially produced versions. 

For example, improper home brewing conditions can lead to contamination with harmful bacteria or mold, which poses serious health risks.

Commercially produced kombucha may be safer to consume since it’s subject to stricter safety regulations, but it’s still important to choose reputable brands. 

It’s good practice to always check the expiration date and ensure that the product has been stored properly. 

Allergic reactions and sensitivities

Some individuals may experience allergic reactions or sensitivities to kombucha. Symptoms can include:

• Itching

• Swelling

• Worsening symptoms of stomach ulcers or acid reflux

• Difficulty breathing

Kombucha can also interact with certain medications — particularly those affecting the liver or immune system — potentially decreasing their effectiveness.

If you have any known allergies or suffer from health conditions, consult your doctor before you drink kombucha to ensure it’s safe.

Can You Make Your Own Kombucha?

You can make your own kombucha at home using a few basic ingredients. Here’s what you’ll need:

Kombucha alternatives

If you’re looking for kombucha alternatives that also offer gut health benefits, you can try:

• Yogurt, particularly Greek or plant-based options (like almond or coconut)

• Water or dairy kefir

• Sauerkraut 

• Kimchi 

• Miso 

• Tempeh

• Dill pickles or pickled vegetables 

• Bread or beet kvass

These alternatives offer a variety of flavors and nutritional benefits, making it easier to find options that suit your taste and dietary preferences while supporting your gut health.

Should You See a Doctor About Drinking Kombucha?

While kombucha is generally safe for consumption, there are certain instances where it’s recommended to consult your doctor before adding it to your diet. These include:

• Having preexisting health conditions, such as diabetes, liver diseases, HIV/AIDS  or digestive disorders

• Having a weakened immune system or taking immunosuppressant medications

• Undergoing chemotherapy 

• Pregnancy or breastfeeding 

• Having concerns about how kombucha may interact with your medication 

• Having any food allergies or sensitivities

• Experiencing any adverse reactions while drinking kombucha, including severe digestive discomfort or allergic reactions

Consuming kombucha in these instances may have negative effects on your health, so speak to your doctor first to ensure it’s safe for you to drink.

Where Can You Learn More about Dietary Changes That Support Your Gut Health?

At LifeMD, licensed doctors and nurses can help you create healthy eating habits to support your gut microbiome.

A team of medical professionals can assist you with nutritional advice, medications, prescriptions, and tips to help you create healthier eating habits.

Skip the waiting room and consult with board-certified physicians and nurse practitioners online. Make your appointment today.

Rachel McLeod, NP

Rachel is a certified and licensed family nurse practitioner who has worked in the healthcare field for over 15 years. She graduated from South University with a Master’s of Science degree and a specialization in Family Nurse Practitioner. Rachel has experience in a variety of areas including Urgent Care, Primary Care, Mental Health, and Weight Management. In her free time, she enjoys traveling and spending time with family and friends.

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