Kefir and kombucha are two fermented beverages that are well-known for their various health advantages. These two drinks are excellent sources of probiotics, which are live microorganisms that help to combat harmful pathogens. However, despite having similar health benefits, the two beverages differ in several aspects.
One of the most significant differences between kefir and kombucha is their production process. Kefir is a dairy-based beverage that is made by fermenting milk with kefir grains. On the other hand, kombucha is a tea-based fermented drink made by fermenting sweetened tea with a symbiotic culture of bacteria and yeast.
In addition to their production process, the two beverages also differ in their nutritional profile. Kefir is rich in protein, calcium, and vitamin D, making it an excellent choice for individuals looking to boost their bone health. On the other hand, kombucha is low in calories and sugar, making it an ideal option for individuals looking to cut back on their calorie intake.
Another significant difference between the two beverages is their flavor and texture. Kefir has a creamy texture and a tangy, sour taste that is similar to yogurt. In contrast, kombucha has a slightly effervescent texture and a tart, sugary taste described as “vinegary.”
In conclusion, while both kefir and kombucha are fermented beverages that offer numerous health benefits, they differ significantly in terms of their production process, nutritional profile, flavor, and texture. It’s up to individual preferences and dietary needs to determine which one is the better option for you.

KEY ESSENCE
Kombucha is a fermented tea drink while kefir is a fermented milk drink.
Kombucha is made using a symbiotic culture of bacteria and yeast (SCOBY), while kefir is produced using kefir grains (a mixture of bacteria and yeast).
Kombucha has a tangy, slightly sweet flavor, while kefir has a sour, yogurt-like flavor and creamy texture.
Kombucha vs Kefir
Kombucha and kefir are two distinct fermented beverages that differ in various aspects. Kombucha is made by fermenting tea leaves and has a sweet and sour taste with a fizzy texture. It requires a SCOBY or a mother culture to brew, which floats in the fermented tea leaves and is shaped like a beige gelatinous film. The microbes in the SCOBY feed on the sweet tea, and the fermentation process takes about 5 to 10 days.
On the other hand, kefir is a beverage made from fermented milk, which is prepared by cultivating and fermenting live kefir grain cultures. The fermentation process takes about 24 to 48 hours, and the resulting drink has a slightly sour taste with a milky flavor. Kefir can also be made with fruit and other ingredients to create various flavored drinks.
In summary, kombucha and kefir are fermented beverages that differ in their ingredients, fermentation process, taste, and texture. While kombucha is made from fermented tea and has a sweet and sour flavor with a fizzy texture, kefir is made from fermented milk and has a milky flavor with a slightly sour taste. It’s up to individual preferences and dietary needs to determine which one is the better option for you.
Comparison Table
compare parameters | Kombucha | sour milk |
definition | It is a sweet and sour drink made from yeast and bacteria | A drink made from fermented milk, but it tastes sour |
main ingredient | Tea | milk |
fermentation | up to 7-8 days | up to 24 to 48 hours |
culture shaping | Scobie | Cultured through live kefir grains |
smell | sour and sweet | milky and intense |
caffeine | at present | absent |
lactic acid | minimum amount | Abundant resources |
calcium | Less in quantity | more quantity |
What is kombucha?

Kombucha is a fermented tea with a sweet and sour taste created by adding beneficial bacteria and yeast. It originated in China and spread to Japan, Russia, and Europe during the early 20th century.
When making kombucha, sweetened beers are fermented with a SCOBY (Symbiotic Colony of Bacteria and Yeast) for 7 to 21 days, similar to making yogurt from milk or sauerkraut from cabbage.
The resulting beverage has a tart flavor similar to sour sparkling cider tempered with caffeine due to the tea base. Kombucha is known for its health benefits, such as aiding digestion, detoxification, and boosting energy. It is also a good source of B vitamins and probiotics, making it a beneficial digestive aid.
Overall, kombucha is a flavorful and nutritious drink that has gained popularity worldwide.
What is Kefir?
Kefir is a yogurt-like drink that is made from fermented milk, giving it a buttermilk flavor. To create kefir, a live culture of kefir grains, which is a symbiotic mixture of yeast and bacteria, is added to milk from cows, goats, sheep, or camels.
After fermenting for 24-48 hours, the kefir grains are removed by straining the mixture through a sieve. To enhance the taste, fruit and sugar can be added to kefir.
Kefir contains various microorganisms that can aid digestion and strengthen the immune system, including a high concentration of lactic acid bacteria. It’s also available in a non-dairy form known as water kefir, which is made from fermented coconut water and has a sweeter and more refreshing taste than milk kefir.
Overall, kefir is a delicious and healthy beverage option that offers numerous benefits for digestion and immunity.

Kefir and Kombucha: Key Differences
In general, kombucha and kefir are two different fermented drinks with distinct tastes and ingredients. Kombucha has a sweet and sour taste and is made primarily from tea, while kefir has a sour buttermilk flavor and is made from fermented milk.
The fermentation process for making kombucha typically takes 7 to 8 days, while kefir’s fermentation process takes 24 to 48 hours. Kombucha is made using a special ingredient called SCOBY (symbiotic culture of bacteria and yeast), while kefir uses a live kefir grain culture.
Kombucha has a slightly sweet and sour taste due to its tea base, while kefir has a more milky, sweet, and sour taste due to its fermented milk base. Kombucha contains caffeine due to the tea used, but kefir does not.
Lactic acid is a key component in both drinks, with kefir containing higher levels than kombucha. Kefir also has a higher calcium content compared to kombucha due to the use of fermented milk.
References
https://link.springer.com/article/10.1007/s12010-008-8361-6
https://journals.bcit.ca/index.php/ehj/article/view/21
https://link.springer.com/article/10.1186/s40064-015-0872-3
https://link.springer.com/article/10.1007/s10068-015-0015-1