Chameleon Cold Brew (RTD) has more caffeine than Dunkin' Bottled Iced Coffee on both counts: 230mg per 10 oz bottle against 197mg per 13.7 oz bottle, and about 23mg per fluid ounce against 14. The serving sizes differ, so the table below shows both ways of counting.
Chameleon Cold Brew (RTD) vs Dunkin' Bottled Iced Coffee: the numbers
| Chameleon Cold Brew (RTD) | Dunkin' Bottled Iced Coffee | |
|---|---|---|
| Caffeine per serving | 230mg per 10 oz bottle | 197mg per 13.7 oz bottle |
| Caffeine per fl oz | 23.0mg | 14.4mg |
| Servings to reach 400mg (FDA context) | 1.7 | 2.0 |
Sources: Chameleon Cold Brew (RTD)'s figure is verified in our Chameleon Cold Brew (RTD) caffeine guide against Caffeine Informer (source); Dunkin' Bottled Iced Coffee's figure is verified in our Dunkin' Bottled Iced Coffee guide against Caffeine Informer (source).
Which one should you pick?
Pick Dunkin' Bottled Iced Coffee when you want the lighter dose or a slower ramp, and Chameleon Cold Brew (RTD) 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
- Chameleon Cold Brew (RTD): the full caffeine guide
- Dunkin' Bottled Iced Coffee: the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
- Compare any two of 120+ drinks
FAQ
Does Chameleon Cold Brew (RTD) or Dunkin' Bottled Iced Coffee have more caffeine? Chameleon Cold Brew (RTD): 230mg per 10 oz bottle versus 197mg per 13.7 oz bottle for Dunkin' Bottled Iced Coffee.
Which is stronger per ounce? Chameleon Cold Brew (RTD), at about 23.0mg per fluid ounce versus 14.4mg for Dunkin' Bottled Iced Coffee.
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.