Big Red vs Dunkin Sparkd Energy (medium): which has more caffeine?

Dunkin Sparkd Energy (medium) has more caffeine than Big Red on both counts: 144mg per 24 oz medium against 34mg per 12 oz can, and about 6mg per fluid ounce against 3. 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.

Big Red vs Dunkin Sparkd Energy (medium): the numbers

Sources: Big Red's figure is verified in our Big Red caffeine guide against Caffeine Informer (source); Dunkin Sparkd Energy (medium)'s figure is verified in our Dunkin Sparkd Energy (medium) guide against Caffeine Informer Dunkin guide (source).

Which one should you pick?

Pick Big Red when you want the lighter dose or a slower ramp, and Dunkin Sparkd Energy (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

• Big Red: the full caffeine guide
• Dunkin Sparkd Energy (medium): the full caffeine guide
• The verified caffeine database

FAQ

Does Big Red or Dunkin Sparkd Energy (medium) have more caffeine? Dunkin Sparkd Energy (medium): 144mg per 24 oz medium versus 34mg per 12 oz can for Big Red.

Which is stronger per ounce? Dunkin Sparkd Energy (medium), at about 6.0mg per fluid ounce versus 2.8mg for Big Red.