Reign Total Body Fuel carries more total caffeine per serving (300mg per 16 oz can vs 279mg per 10.5 oz bottle), but ounce for ounce Stumptown Cold Brew (stubbie) is actually the stronger drink at about 27mg per fluid ounce against 19. Which one "has more caffeine" depends on whether you measure the container or the concentration.
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.
Stumptown Cold Brew (stubbie) vs Reign Total Body Fuel: the numbers
| Stumptown Cold Brew (stubbie) | Reign Total Body Fuel | |
|---|---|---|
| Caffeine per serving | 279mg per 10.5 oz bottle | 300mg per 16 oz can |
| Caffeine per fl oz | 26.6mg | 18.8mg |
| Servings to reach 400mg (FDA context) | 1.4 | 1.3 |
Sources: Stumptown Cold Brew (stubbie)'s figure is verified in our Stumptown Cold Brew (stubbie) 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 Stumptown Cold Brew (stubbie) 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
- Stumptown Cold Brew (stubbie): 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 Stumptown Cold Brew (stubbie) or Reign Total Body Fuel have more caffeine? Reign Total Body Fuel: 300mg per 16 oz can versus 279mg per 10.5 oz bottle for Stumptown Cold Brew (stubbie).
Which is stronger per ounce? Stumptown Cold Brew (stubbie), at about 26.6mg per fluid ounce versus 18.8mg for Reign Total Body Fuel.
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