Brew Dr Uplift kombucha has more caffeine than Arizona Green Tea on both counts: 130mg per 14 oz bottle against 7.5mg per 8 oz serving (23 oz can holds ~21.5mg), and about 9mg per fluid ounce against 1. The serving sizes differ, so the table below shows both ways of counting.
Brew Dr Uplift kombucha vs Arizona Green Tea: the numbers
| Brew Dr Uplift kombucha | Arizona Green Tea | |
|---|---|---|
| Caffeine per serving | 130mg per 14 oz bottle | 7.5mg per 8 oz serving (23 oz can holds ~21.5mg) |
| Caffeine per fl oz | 9.3mg | 0.9mg |
| Servings to reach 400mg (FDA context) | 3.1 | 53.3 |
Sources: Brew Dr Uplift kombucha's figure is verified in our Brew Dr Uplift kombucha caffeine guide against Caffeine Informer (source); Arizona Green Tea's figure is verified in our Arizona Green Tea guide against Arizona published figure / Caffeine Informer (source).
The concentration gap is the striking part: Brew Dr Uplift kombucha packs roughly 10 times the caffeine per ounce. Sipping speed matters at that density; a 14 oz bottle finished in minutes hits differently than the same milligrams spread over a slow cup.
Which one should you pick?
Pick Arizona Green 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
- Arizona Green Tea: 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 Brew Dr Uplift kombucha or Arizona Green Tea have more caffeine? Brew Dr Uplift kombucha: 130mg per 14 oz bottle versus 7.5mg per 8 oz serving (23 oz can holds ~21.5mg) for Arizona Green Tea.
Which is stronger per ounce? Brew Dr Uplift kombucha, at about 9.3mg per fluid ounce versus 0.9mg for Arizona Green Tea.
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