Starbucks bottled Frappuccino (Mocha) has more caffeine than International Delight iced coffee on both counts: 105mg per 13.7 oz bottle against 88mg per 12 oz serving, and about 8mg per fluid ounce against 7. The serving sizes differ, so the table below shows both ways of counting.
International Delight iced coffee vs Starbucks bottled Frappuccino (Mocha): the numbers
| International Delight iced coffee | Starbucks bottled Frappuccino (Mocha) | |
|---|---|---|
| Caffeine per serving | 88mg per 12 oz serving | 105mg per 13.7 oz bottle |
| Caffeine per fl oz | 7.3mg | 7.7mg |
| Servings to reach 400mg (FDA context) | 4.5 | 3.8 |
Sources: International Delight iced coffee's figure is verified in our International Delight iced coffee 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 International Delight iced coffee when you want the lighter dose or a slower ramp, and Starbucks bottled Frappuccino (Mocha) 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
- International Delight iced coffee: the full caffeine guide
- Starbucks bottled Frappuccino (Mocha): the full caffeine guide
- The verified caffeine database
FAQ
Does International Delight iced coffee or Starbucks bottled Frappuccino (Mocha) have more caffeine? Starbucks bottled Frappuccino (Mocha): 105mg per 13.7 oz bottle versus 88mg per 12 oz serving for International Delight iced coffee.
Which is stronger per ounce? Starbucks bottled Frappuccino (Mocha), at about 7.7mg per fluid ounce versus 7.3mg for International Delight iced coffee.
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.