Brew Dr Uplift kombucha vs brewed black tea: which has more caffeine?

Brew Dr Uplift kombucha has more caffeine than brewed black tea on both counts: 130mg per 14 oz bottle against 47mg per 8 oz cup, and about 9mg per fluid ounce against 6. The serving sizes differ, so the table below shows both ways of counting.

Brew Dr Uplift kombucha vs brewed black tea: the numbers

Sources: Brew Dr Uplift kombucha's figure is verified in our Brew Dr Uplift kombucha 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 brewed black tea when you want the lighter dose or a slower ramp, and Brew Dr Uplift kombucha 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

• Brew Dr Uplift kombucha: 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 Brew Dr Uplift kombucha or brewed black tea have more caffeine? Brew Dr Uplift kombucha: 130mg per 14 oz bottle versus 47mg per 8 oz cup for brewed black tea.

Which is stronger per ounce? Brew Dr Uplift kombucha, at about 9.3mg per fluid ounce versus 5.9mg for brewed black tea.