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How Much Alcohol Is In Kombucha?

If you’ve been to a health food store or farmer’s market lately, you’ve likely seen kombucha.

This fizzy, fermented tea has been growing in popularity in recent years, thanks to its many health benefits.

But one question that comes up time and time again is, how much alcohol is in kombucha?

Let’s dive into this boozy topic and explore the ins and outs of this ancient elixir.

What is Kombucha?

Kombucha is a type of fermented tea made by adding sugar, tea, and a symbiotic culture of bacteria and yeast (SCOBY). The SCOBY is also known as the “mother” or “mushroom” and looks like a slimy pancake.

During fermentation, the SCOBY breaks down the sugar and tea, producing a tangy and slightly sweet drink that’s rich in probiotics, antioxidants, and organic acids.

Kombucha has been around for centuries and is said to have originated in China or Russia. Today, it’s enjoyed around the world and comes in a variety of flavors, from classic black tea to fruity and floral infusions.

How Kombucha is Made?

To make kombucha, you need a SCOBY, which can be obtained from a friend, purchased online, or grown from scratch. The SCOBY is added to sweetened tea and left to ferment for anywhere from 7 to 30 days, depending on the desired taste and alcohol content.

During fermentation, the yeast and bacteria in the SCOBY consume the sugar, producing carbon dioxide and alcohol. The longer the kombucha ferments, the more alcohol it will contain, but this also makes it more sour and acidic.

Alcohol Content in Kombucha

One of the biggest concerns about kombucha is its alcohol content. While most kombucha contains less than 0.5% alcohol by volume (ABV), some brands can contain up to 3% ABV, which is the same as a light beer.

As kombucha ferments, it naturally produces alcohol as a byproduct. The longer it ferments, the more alcohol it creates. So, if you want your kombucha to be less boozy, it’s best to keep an eye on how long you let it sit.

Several factors can affect the alcohol content in kombucha, including:

  1. Fermentation Time: The longer the kombucha ferments, the higher the alcohol content. Most commercial kombucha is fermented for 7 to 14 days, while homebrewed kombucha can ferment for up to 30 days or more.
  2. Type of Yeast and Bacteria: Different strains of yeast and bacteria can produce varying amounts of alcohol. Some strains of yeast are better at converting sugar to alcohol than others, which can result in a higher ABV.
  3. Storage Temperature: Kombucha that is stored at warmer temperatures can ferment more quickly, leading to higher alcohol content.
  4. Sugar Content: The more sugar that is added to the tea, the more alcohol will be produced. However, adding too much sugar can also result in a sweeter and less tangy kombucha.

Alcohol Limits in Kombucha

In the United States, kombucha is considered an alcoholic beverage if it contains more than 0.5% ABV. This means that any kombucha with an alcohol content above 0.5% must be labeled as an alcoholic beverage and sold only to individuals aged 21 and over.

While the alcohol content in most kombucha is relatively low, consuming too much can still have health risks. In rare cases, people who drink high-alcohol kombucha can experience dizziness, nausea, and even blackouts.

How to Measure Alcohol Content in Kombucha

If you’re a homebrewer or want to know the alcohol content in the kombucha you’re drinking, there are a few ways to measure it:

  1. Hydrometer: A hydrometer is a tool that measures the density of a liquid. By taking readings before and after fermentation, you can calculate the alcohol content in your kombucha.
  2. Alcolyzer: An alcolyzer is a machine that uses infrared light to measure alcohol content. This method is more accurate than a hydrometer but is also more expensive.
  3. Other methods: Some other methods of measuring the alcohol content in kombucha include using a refractometer, which measures the sugar content in the liquid, or sending a sample to a lab for analysis.

Kombucha Compared to Other Beverages

Beverage Alcohol Content
Kombucha 0.5% or less
Non-alcoholic beer 0.5% or less
Apple juice 0%
Orange juice 0%
Wine 5-20%
Beer 4-8%
Whiskey 40-60%

As you can see, kombucha falls on the lower end of the alcohol spectrum, with most commercial brands containing less than 0.5% ABV. In comparison, beer and wine have a much higher alcohol content, while apple and orange juice have no alcohol at all. So, if you’re looking for a low-alcohol beverage, kombucha is a great option.


In conclusion, while kombucha can contain alcohol, the amount is usually very low, and most commercial brands are well below the legal limit of 0.5% ABV. However, it’s essential to be aware of the potential risks associated with consuming high-alcohol kombucha and to monitor the alcohol content if you’re brewing your own.

At the end of the day, kombucha can be a healthy and tasty addition to your diet, and as long as you’re drinking it in moderation, you shouldn’t have to worry about getting drunk off your tea. So go ahead and enjoy a glass of fizzy goodness, but remember to always drink responsibly!

Author Image Fabian
I’m Fabian, homebrewer and beer taster. I’m also the editor of Beer100. I love travelling the world and trying out new handcraft beer and different beer styles. I’m not an expert in brewing beer, but I know a few things about beer, which I share on this blog. If you need help or have a question, please comment below.

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