Kombucha substitute

Best substitute

Diluted apple cider vinegar

1 part vinegar to 3 parts water, then use 1:1 for the kombucha

Best for marinades for chicken, pork and tofu

Taste and texture differ

The simplest way to replace kombucha's acidity, which is mostly acetic acid, the same acid vinegar is built on. Use raw unfiltered cider vinegar if you have it.

Other kombucha substitutes

Ranked, with the exact amount to use

2Sparkling water plus vinegar and a splash of juice
Close match
Per glass: 1 cup sparkling water, 2 teaspoons apple cider vinegar, 2 tablespoons fruit juice
A rebuild of the drink itself, sometimes called a switchel or a homemade shrub.
What changes
Add ginger, mint or lemon to taste.
Best for
drinking in place of kombucha, mocktails and spritzers, cutting through a rich meal, when you want no alcohol and no caffeine
Genuinely close on flavour and fizz, and it takes thirty seconds. What it does not have is the live culture, the slight yeasty funk or the faint tea bitterness. It is also caffeine-free and alcohol-free, which kombucha is not quite, so it suits anyone avoiding either. Adjust the vinegar down to a teaspoon if it tastes too sharp.
3Water kefir (tibicos)
Different taste
Use the same amount
Sugar water fermented with kefir grains, producing a light, fizzy, mildly tart drink.
What changes
The nearest thing to kombucha among live fermented drinks.
Best for
a live fermented drink, flavoured fizzy drinks with fruit or ginger, smoothies and dressings, replacing kombucha one for one
Lighter, less sour and much less tea-like, so it tastes like a delicate fizzy lemonade rather than a vinegary cider. In cooking it brings less acidity than kombucha, so add a squeeze of lemon if the recipe was relying on kombucha for tang. Do not boil it if the live culture is the point, since heat kills it.
4Milk kefir or thin plain yogurt (savoury cooking and baking)
Taste and texture differ
Use the same amount for kombucha used as a liquid in baking or a marinade
Cultured dairy, tart and live, which covers kombucha's acidity and fermented character in anything where dairy makes sense.
What changes
Best for
marinades for chicken and lamb, quick breads, pancakes and soda bread, dressings and cold soups, smoothies
Creamy, thick and dairy-tangy rather than clear, fizzy and vinegary, which changes the texture as much as the flavour, so a batter made with kefir is richer and softer-crumbed. It is a good acid for reacting with baking soda, arguably more reliable than kombucha, whose acidity varies from bottle to bottle. Not an option in a clear drink or a vinaigrette.
5Kvass, raw unfiltered ginger beer or a fermented soda
Different taste
Use the same amount
Other fermented, lightly fizzy drinks.
What changes
Beet or bread kvass is savoury and earthy; a naturally fermented ginger beer is sweet and hot.
Best for
drinking, cocktails and mocktails, savoury applications, in the case of kvass, glazes and braises
All are fermented and fizzy but flavoured quite differently. Ginger beer is far sweeter and spicier, so cut the recipe's sugar and expect a distinctly gingery result. Kvass is earthy and bready and works well in a braise or a savoury dressing but tastes strange in a fruity spritzer. Check the label: many commercial ginger beers are simply carbonated and sweetened, with no fermentation at all.
6Sauerkraut juice or pickle brine
Taste and texture differ
Start with half the amount and taste
The liquid from live sauerkraut or fermented pickles: sour, salty and full of the same lactic tang.
What changes
Best for
savoury marinades and braises, dressings for hearty salads, bloody-mary style drinks and shots, adding acidity to soups and beans
Very sour and, importantly, very salty, which is the part people forget, so cut the salt elsewhere in the recipe and start with half the volume of kombucha called for. The flavour is cabbagey and lactic rather than fruity and tea-like, which is excellent in a pork braise or a bean soup and wrong in anything sweet.

What is Kombucha?

Kombucha is Kombucha, sometimes just called booch, is sweetened tea fermented with a bacteria and yeast culture until it turns lightly fizzy and tart, leaving a drink that tastes somewhere between cider vinegar, apple juice and sparkling wine.

Cooking tips

Add kombucha, or any live substitute, at the very end and off the heat if the reason you are using it is the culture. Simmering kills the bacteria and yeast, leaving you with the acidity only, which vinegar would have supplied more cheaply.
Kombucha strength varies enormously between brands and between the top and bottom of the bottle, so taste it before measuring it into a dressing or a marinade. A very tart bottle can be diluted with water; a sweet young one may need a squeeze of lemon.
As a meat marinade it works like any acid, so keep it short. Two to four hours is plenty for chicken thighs and thirty minutes for fish, and a long soak turns the surface mushy and chalky rather than tender.
It reduces poorly. Boiled down, kombucha turns harshly sour and slightly bitter from the tea tannins, so use it as a finishing splash in a pan sauce rather than as the base liquid you reduce.
In baking it can react with baking soda, roughly like buttermilk, but its acidity is inconsistent, so if the rise matters use buttermilk or add a quarter teaspoon of cider vinegar per cup to be sure.

Frequently asked questions

Can I just leave the kombucha out?

It depends what it was for. In a marinade or dressing, leaving out the acid makes the dish taste flat and heavy, so replace it with diluted cider vinegar or lemon juice. In a smoothie or a bowl of overnight oats, you can leave it out and add a splash of juice or water. If you were drinking it for the live cultures, that is a nutrition question rather than a cooking one, and a doctor or dietitian is the right person to ask.

Can I use kombucha instead of vinegar for pickling or canning?

No. Do not do this. Safe pickling and canning depend on a known, measured acidity, and kombucha's acidity varies from bottle to bottle and even within the same bottle, so it cannot guarantee the pH a tested recipe requires. Follow the vinegar and quantities in a tested recipe exactly, and see the National Center for Home Food Preservation, nchfp.uga.edu, for current guidance. The same applies in reverse: do not swap the acid in a fermenting or curing recipe for kombucha.

Does kombucha contain alcohol and caffeine?

Small amounts of both. Fermentation produces a trace of alcohol, usually under half a percent in commercial bottles, and the tea base leaves some caffeine behind. If you need a drink with neither, sparkling water with a little cider vinegar and juice is the swap, since it is fully caffeine-free and alcohol-free.

What is the closest non-fermented substitute for kombucha?

Sparkling water with two teaspoons of apple cider vinegar and a splash of fruit juice per glass, which is essentially a switchel. It matches the fizz and the tartness closely, and only the yeasty depth and the live culture are missing.

Can I substitute kombucha for buttermilk in baking?

Usually yes at 1:1, since both are acidic liquids that react with baking soda, and it works well in pancakes, muffins and soda bread. The crumb will be a little less tender because there is no dairy fat or protein, and because kombucha's acidity is variable, kefir or buttermilk is the more dependable choice when the rise matters.

Related substitutes

More fermented substitutes

Kombucha substitute

Other kombucha substitutes

2Sparkling water plus vinegar and a splash of juice

3Water kefir (tibicos)

4Milk kefir or thin plain yogurt (savoury cooking and baking)

5Kvass, raw unfiltered ginger beer or a fermented soda

6Sauerkraut juice or pickle brine