Dunkin hot coffee (medium) has more caffeine than NOS Energy on both counts: 210mg per 14 oz medium against 160mg per 16 oz can, and about 15mg per fluid ounce against 10. 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 hot coffee (medium) vs NOS Energy: the numbers
| Dunkin hot coffee (medium) | NOS Energy | |
|---|---|---|
| Caffeine per serving | 210mg per 14 oz medium | 160mg per 16 oz can |
| Caffeine per fl oz | 15.0mg | 10.0mg |
| Servings to reach 400mg (FDA context) | 1.9 | 2.5 |
Sources: Dunkin hot coffee (medium)'s figure is verified in our Dunkin hot coffee (medium) caffeine guide against Tasting Table / Dunkin figures (source); NOS Energy's figure is verified in our NOS Energy guide against Caffeine Informer (source).
Which one should you pick?
Pick NOS Energy when you want the lighter dose or a slower ramp, and Dunkin hot 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 hot coffee (medium): the full caffeine guide
- NOS Energy: the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
FAQ
Does Dunkin hot coffee (medium) or NOS Energy have more caffeine? Dunkin hot coffee (medium): 210mg per 14 oz medium versus 160mg per 16 oz can for NOS Energy.
Which is stronger per ounce? Dunkin hot coffee (medium), at about 15.0mg per fluid ounce versus 10.0mg for NOS Energy.
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.