Water Joe (caffeinated water) has more caffeine than Dr Pepper on both counts: 70mg per 16.9 oz bottle against 41mg per 12 oz can, and about 4mg per fluid ounce against 3. The serving sizes differ, so the table below shows both ways of counting.
Water Joe (caffeinated water) vs Dr Pepper: the numbers
| Water Joe (caffeinated water) | Dr Pepper | |
|---|---|---|
| Caffeine per serving | 70mg per 16.9 oz bottle | 41mg per 12 oz can |
| Caffeine per fl oz | 4.1mg | 3.4mg |
| Servings to reach 400mg (FDA context) | 5.7 | 9.8 |
Sources: Water Joe (caffeinated water)'s figure is verified in our Water Joe (caffeinated water) caffeine guide against Water Joe / Caffeine Informer (source); Dr Pepper's figure is verified in our Dr Pepper guide against KDP product facts / Caffeine Informer (source).
Which one should you pick?
Pick Dr Pepper when you want the lighter dose or a slower ramp, and Water Joe (caffeinated water) 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
- Water Joe (caffeinated water): the full caffeine guide
- Dr Pepper: the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
- Compare any two of 120+ drinks
FAQ
Does Water Joe (caffeinated water) or Dr Pepper have more caffeine? Water Joe (caffeinated water): 70mg per 16.9 oz bottle versus 41mg per 12 oz can for Dr Pepper.
Which is stronger per ounce? Water Joe (caffeinated water), at about 4.1mg per fluid ounce versus 3.4mg for Dr Pepper.
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