How much caffeine is in kombucha tea?

Surprising to new kombucha drinkers, kombucha tea contains a fair amount of caffeine. This caffeine is natural and comes from the tea which is used to brew the kombucha tea.

Since there is caffeine in kombucha, how much is there? Should I drink it if I'm sensitive to caffeine? How can I reduce the amount of caffeine in my kombucha tea?

In this post, I'll be sharing with you how much caffeine there is in different varieties of kombucha tea, and discuss ways for you to alter the final caffeine content for your preference.

What is Caffeine?

Caffeine is a natural stimulant most commonly found in tea, coffee and cacao plants. It works by stimulating the brain and central nervous system, helping you to stay alert and preventing the onset of tiredness.

Many people love caffeine to get their blood pumping and focus in on their work, but many other people stay away completely from it.

Being a stimulant which occurs in nature, it must have some benefit to us humans.

The Caffeine Content of Teas Used in Homebrewing Kombucha Tea

When brewing kombucha tea, the first step of brewing is to brew green or black tea. Black and green tea both naturally contain some caffeine.

Black tea is the most common tea used in making kombucha. In fact, the name for kombucha in China, where Kombucha is believed to have originated, is hong cha jun (红茶菌) which translates to red tea bacteria. In China, red tea bacteria is how they identify black teas: based on the color of the tea and not the leaves.

Green tea is good for those of us that don’t want to wait as long for our kombucha to be ready as kombucha with green tea turns sour quicker than black tea. Green teas also grow healthy SCOBYs.

Typically, after brewing kombucha tea, you will have about 1/3rd of the original caffeine content from your tea at the beginning of brewing.

Caffeine Content of Green Tea

Green tea has a range of caffeine in each cup. Typically, green tea will have between 30 and 50 mg of caffeine in a cup.

Using our rough rule of thumb, the amount of caffeine in your kombucha tea if green tea is used will be about 10 to 15 mg of caffeine.

Not too much caffeine when compared to a cup of coffee! (150 mg)

Caffeine Content of Black Tea

Green tea has a range of caffeine in each cup. Typically, black tea will have between 50 and 70 mg of caffeine in a cup.

Using our rough rule of thumb, the amount of caffeine in your kombucha tea if green tea is used will be about 15 to 25 mg of caffeine.

Black tea has a little bit more caffeine, but again, this isn't too much when compared to green tea.

Ways to Reduce the Caffeine Content in Kombucha Tea

For most healthy people, the small amounts of caffeine in Kombucha tea are no problem and may provide benefits.

If you fall into the category of those most sensitive to caffeine, there are simple ways to control, reduce and even eliminate the caffeine in your Kombucha.

That being said, you should NEVER USE most store bought decaffeinated teas as they have been treated with a chemical process (even “naturally decaffeinated” ones) which leaves them damaged and covered in toxic residues.

Instead, you can try a few different tactics to decrease the amount of caffeine in your kombucha tea:

  • Brew the kombucha tea longer. Sugar and caffeine content both reduce as the ferment goes on. Brew for a longer cycle, then pour in some water or juice if needed to cut the sour flavor.
  • Use Green Tea or a Blend. Green tea typically has less caffeine than black tea.
  • Brew tea quickly, dump the tea, and then use the same leaves again. Most of the caffeine will be released during the first brew of tea.

Now that you know some more about kombucha tea, you can go make it yourself!

Want to learn how to brew kombucha tea? Click here to read about brewing your own kombucha tea.

While you can buy kombucha in stores, homebrewing it is cost effective and fun!

Each month, we find a unique kombucha flavor for you to brew in your kitchen. Our kombucha tea experts come up with a fun and flavorful recipe to send out each month, so you can have fun in the kitchen and become more healthy.

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