Dunkin Refresher (medium) has more caffeine than Twisted Tea on both counts: 99mg per 24 oz medium against 30mg per 12 oz bottle, and about 4mg per fluid ounce against 2. The serving sizes differ, so the table below shows both ways of counting.
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.
Dunkin Refresher (medium) vs Twisted Tea: the numbers
| Dunkin Refresher (medium) | Twisted Tea | |
|---|---|---|
| Caffeine per serving | 99mg per 24 oz medium | 30mg per 12 oz bottle |
| Caffeine per fl oz | 4.1mg | 2.5mg |
| Servings to reach 400mg (FDA context) | 4.0 | 13.3 |
Sources: Dunkin Refresher (medium)'s figure is verified in our Dunkin Refresher (medium) caffeine guide against Tasting Table / Dunkin figures (source); Twisted Tea's figure is verified in our Twisted Tea guide against brand data / Caffeine Informer (source).
Which one should you pick?
Pick Twisted Tea when you want the lighter dose or a slower ramp, and Dunkin Refresher (medium) 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
- Dunkin Refresher (medium): the full caffeine guide
- Twisted Tea: the full caffeine guide
- The verified caffeine database
FAQ
Does Dunkin Refresher (medium) or Twisted Tea have more caffeine? Dunkin Refresher (medium): 99mg per 24 oz medium versus 30mg per 12 oz bottle for Twisted Tea.
Which is stronger per ounce? Dunkin Refresher (medium), at about 4.1mg per fluid ounce versus 2.5mg for Twisted Tea.
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