Starbucks bottled Frappuccino (Mocha) has more caffeine than Wide Awake iced coffee (Kroger): 105mg vs 30mg in the same 13.7 oz bottle. That is a 75mg gap, and since the cans match, the per-serving number is the whole story.
Wide Awake iced coffee (Kroger) vs Starbucks bottled Frappuccino (Mocha): the numbers
| Wide Awake iced coffee (Kroger) | Starbucks bottled Frappuccino (Mocha) | |
|---|---|---|
| Caffeine per serving | 30mg per 13.7 oz bottle | 105mg per 13.7 oz bottle |
| Caffeine per fl oz | 2.2mg | 7.7mg |
| Servings to reach 400mg (FDA context) | 13.3 | 3.8 |
Sources: Wide Awake iced coffee (Kroger)'s figure is verified in our Wide Awake iced coffee (Kroger) 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).
The concentration gap is the striking part: Starbucks bottled Frappuccino (Mocha) packs roughly 4 times the caffeine per ounce. Sipping speed matters at that density; a 13.7 oz bottle finished in minutes hits differently than the same milligrams spread over a slow cup.
Which one should you pick?
Pick Wide Awake iced coffee (Kroger) 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
- Wide Awake iced coffee (Kroger): 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
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Gear from this guide
FAQ
Does Wide Awake iced coffee (Kroger) or Starbucks bottled Frappuccino (Mocha) have more caffeine? Starbucks bottled Frappuccino (Mocha): 105mg per 13.7 oz bottle versus 30mg per 13.7 oz bottle for Wide Awake iced coffee (Kroger).
Which is stronger per ounce? Starbucks bottled Frappuccino (Mocha), at about 7.7mg per fluid ounce versus 2.2mg for Wide Awake iced coffee (Kroger).
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