brewed coffee has more caffeine than kombucha (traditionally brewed): 95mg vs 24mg in the same 8 oz cup. That is a 71mg gap, and since the cups match, the per-serving number is the whole story.
These are different categories of drink, which changes how the caffeine arrives. Energy drinks and sodas list an exact number because caffeine is a measured additive; brewed drinks vary with the beans and the brew, so their figures are compiled averages. The numbers here are the standard published values for each.
kombucha (traditionally brewed) vs brewed coffee: the numbers
| kombucha (traditionally brewed) | brewed coffee | |
|---|---|---|
| Caffeine per serving | 24mg per 8 oz glass | 95mg per 8 oz cup |
| Caffeine per fl oz | 3.0mg | 11.9mg |
| Servings to reach 400mg (FDA context) | 16.7 | 4.2 |
Sources: kombucha (traditionally brewed)'s figure is verified in our kombucha (traditionally brewed) caffeine guide against Caffeine Informer (source); brewed coffee's figure is verified in our brewed coffee guide against USDA FoodData Central (source).
The concentration gap is the striking part: brewed coffee packs roughly 4 times the caffeine per ounce. Sipping speed matters at that density; a 8 oz cup finished in minutes hits differently than the same milligrams spread over a slow cup.
Which one should you pick?
Pick kombucha (traditionally brewed) when you want the lighter dose or a slower ramp, and brewed coffee when you actually need the bigger hit and know your tolerance. If you are stacking either with other caffeinated drinks through the day, run the math against the 400mg reference rather than guessing.
For context, the FDA cites 400mg of caffeine a day as an amount generally not associated with negative effects in healthy adults. Tolerance and health vary, so treat these numbers as information, not advice.
Related reading
- kombucha (traditionally brewed): the full caffeine guide
- brewed coffee: the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
- Compare any two of 120+ drinks
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Gear from this guide
FAQ
Does kombucha (traditionally brewed) or brewed coffee have more caffeine? brewed coffee: 95mg per 8 oz cup versus 24mg per 8 oz glass for kombucha (traditionally brewed).
Which is stronger per ounce? brewed coffee, at about 11.9mg per fluid ounce versus 3.0mg for kombucha (traditionally brewed).
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