Dunkin Shot in the Dark vs Starbucks bottled Frappuccino (Mocha): which has more caffeine?

Dunkin Shot in the Dark has more caffeine than Starbucks bottled Frappuccino (Mocha) on both counts: 134mg per 8.1 oz can against 105mg per 13.7 oz bottle, and about 17mg per fluid ounce against 8. The serving sizes differ, so the table below shows both ways of counting.

Dunkin Shot in the Dark vs Starbucks bottled Frappuccino (Mocha): the numbers

Sources: Dunkin Shot in the Dark's figure is verified in our Dunkin Shot in the Dark caffeine guide against Caffeine Informer (source); Starbucks bottled Frappuccino (Mocha)'s figure is verified in our Starbucks bottled Frappuccino (Mocha) guide against PepsiCo product facts (source).

Which one should you pick?

Pick Starbucks bottled Frappuccino (Mocha) when you want the lighter dose or a slower ramp, and Dunkin Shot in the Dark 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 Shot in the Dark: the full caffeine guide
• Starbucks bottled Frappuccino (Mocha): the full caffeine guide
• The verified caffeine database
• Every drink compared: the comparisons index
• Compare any two of 120+ drinks

FAQ

Does Dunkin Shot in the Dark or Starbucks bottled Frappuccino (Mocha) have more caffeine? Dunkin Shot in the Dark: 134mg per 8.1 oz can versus 105mg per 13.7 oz bottle for Starbucks bottled Frappuccino (Mocha).

Which is stronger per ounce? Dunkin Shot in the Dark, at about 16.5mg per fluid ounce versus 7.7mg for Starbucks bottled Frappuccino (Mocha).