Reign Total Body Fuel has more caffeine than Dunkin' Extra Charged (medium) on both counts: 300mg per 16 oz can against 252mg per 14 oz medium, and about 19mg per fluid ounce against 18. 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' Extra Charged (medium) vs Reign Total Body Fuel: the numbers
| Dunkin' Extra Charged (medium) | Reign Total Body Fuel | |
|---|---|---|
| Caffeine per serving | 252mg per 14 oz medium | 300mg per 16 oz can |
| Caffeine per fl oz | 18.0mg | 18.8mg |
| Servings to reach 400mg (FDA context) | 1.6 | 1.3 |
Sources: Dunkin' Extra Charged (medium)'s figure is verified in our Dunkin' Extra Charged (medium) caffeine guide against Caffeine Informer (source); Reign Total Body Fuel's figure is verified in our Reign Total Body Fuel guide against Caffeine Informer (source).
Which one should you pick?
Pick Dunkin' Extra Charged (medium) when you want the lighter dose or a slower ramp, and Reign Total Body Fuel 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' Extra Charged (medium): the full caffeine guide
- Reign Total Body Fuel: the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
- Compare any two of 120+ drinks
FAQ
Does Dunkin' Extra Charged (medium) or Reign Total Body Fuel have more caffeine? Reign Total Body Fuel: 300mg per 16 oz can versus 252mg per 14 oz medium for Dunkin' Extra Charged (medium).
Which is stronger per ounce? Reign Total Body Fuel, at about 18.8mg per fluid ounce versus 18.0mg for Dunkin' Extra Charged (medium).
Barista Life runs on coffee people. Browse the Barista Life shop to support the site.