Dunkin iced coffee (medium) has more caffeine than Twisted Tea on both counts: 297mg per 24 oz medium against 30mg per 12 oz bottle, and about 12mg 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 iced coffee (medium) vs Twisted Tea: the numbers
| Dunkin iced coffee (medium) | Twisted Tea | |
|---|---|---|
| Caffeine per serving | 297mg per 24 oz medium | 30mg per 12 oz bottle |
| Caffeine per fl oz | 12.4mg | 2.5mg |
| Servings to reach 400mg (FDA context) | 1.3 | 13.3 |
Sources: Dunkin iced coffee (medium)'s figure is verified in our Dunkin iced coffee (medium) caffeine guide against Caffeine Informer Dunkin guide (source); Twisted Tea's figure is verified in our Twisted Tea guide against brand data / Caffeine Informer (source).
The concentration gap is the striking part: Dunkin iced coffee (medium) packs roughly 5 times the caffeine per ounce. Sipping speed matters at that density; a 24 oz medium finished in minutes hits differently than the same milligrams spread over a slow cup.
Which one should you pick?
Pick Twisted Tea when you want the lighter dose or a slower ramp, and Dunkin iced coffee (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 iced coffee (medium): the full caffeine guide
- Twisted Tea: the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
FAQ
Does Dunkin iced coffee (medium) or Twisted Tea have more caffeine? Dunkin iced coffee (medium): 297mg per 24 oz medium versus 30mg per 12 oz bottle for Twisted Tea.
Which is stronger per ounce? Dunkin iced coffee (medium), at about 12.4mg per fluid ounce versus 2.5mg for Twisted Tea.
Comparing caffeine? The caffeine comparison tool puts hundreds of drinks side by side, and the caffeine curfew calculator can check your cutoff time for tonight.