Does Kombucha Break A Fast? [Intermittent Fasting FAQ]
Does kombucha break a fast? Will kombucha break my fast? Keep reading to get all of your answers.

Are you curious if kombucha is safe to drink during your fast? There are so many delicious kombucha products and countless benefits of drinking kombucha, so you may be wondering how this tasty beverage impacts your fast.
In this guide, we will walk you through everything you need to know about kombucha and fasting.
Does Kombucha Break A Fast?
Yes, drinking kombucha will break your fast. Kombucha will spike your insulin levels and remove you from a fasted state.
Does Kombucha Break A Fast – Further Details
Kombucha is typically made from a variety of teas. However, kombucha contains added ingredients like sweeteners and fruit juice as part of the fermentation process. These additions will start your body’s digestive mechanisms and spike your insulin levels, therefore breaking your fast.
Why do we want to avoid spiking insulin levels? Insulin turns off the fat-burning process in our bodies.
It is best to avoid drinking kombucha while fasting. If you enjoy kombucha, we recommend drinking it during your eating window, when your fast is over.
What Can I Consume While Fasting?
If you are following a clean fast, you can consume the following items when fasting:
- Water (unflavored, no added fruit)
- Black coffee
- Plain green tea or black tea
- Mineral water, unflavored sparkling water, seltzer water (with no added ingredients)
- Salt, electrolytes, or minerals (unflavored, no additives)
- Medications as prescribed by your doctor

Additional Fasting Resources
Here are some other frequently asked fasting questions that may help you out!
- Does Honey Break A Fast?
- Can You Chew Gum While Fasting?
- Does A Protein Shake Break A Fast?
- Why Am I Not Losing Weight On OMAD?
- Does Lemon Water Break A Fast?
- Does Bone Broth Break A Fast?
- Does Diet Soda Break A Fast?
- Does Cinnamon Break A Fast?
- Does Coffee Creamer Break A Fast?
Frequently Asked Questions
Yes, kombucha will likely spike your insulin levels. You should avoid consuming kombucha while fasting.
If you enjoy kombucha, consuming kombucha after a long fast can be a great choice.