kombucha (traditionally brewed) vs brewed black tea: which has more caffeine?

brewed black tea has more caffeine than kombucha (traditionally brewed): 47mg vs 24mg in the same 8 oz cup. That is a 23mg gap, and since the cups match, the per-serving number is the whole story.

kombucha (traditionally brewed) vs brewed black tea: the numbers

Sources: kombucha (traditionally brewed)'s figure is verified in our kombucha (traditionally brewed) caffeine guide against Caffeine Informer (source); brewed black tea's figure is verified in our brewed black tea guide against USDA FoodData Central (source).

Which one should you pick?

Pick kombucha (traditionally brewed) when you want the lighter dose or a slower ramp, and brewed black tea 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 black tea: the full caffeine guide
• The verified caffeine database
• Every drink compared: the comparisons index
• Compare any two of 120+ drinks

FAQ

Does kombucha (traditionally brewed) or brewed black tea have more caffeine? brewed black tea: 47mg per 8 oz cup versus 24mg per 8 oz glass for kombucha (traditionally brewed).

Which is stronger per ounce? brewed black tea, at about 5.9mg per fluid ounce versus 3.0mg for kombucha (traditionally brewed).