UPTIME Energy has more caffeine than Starbucks bottled Frappuccino (Mocha) on both counts: 142mg per 12 oz can against 105mg per 13.7 oz bottle, and about 12mg per fluid ounce against 8. 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.
UPTIME Energy vs Starbucks bottled Frappuccino (Mocha): the numbers
| UPTIME Energy | Starbucks bottled Frappuccino (Mocha) | |
|---|---|---|
| Caffeine per serving | 142mg per 12 oz can | 105mg per 13.7 oz bottle |
| Caffeine per fl oz | 11.8mg | 7.7mg |
| Servings to reach 400mg (FDA context) | 2.8 | 3.8 |
Sources: UPTIME Energy's figure is verified in our UPTIME Energy 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 UPTIME Energy 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
- UPTIME Energy: the full caffeine guide
- Starbucks bottled Frappuccino (Mocha): the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
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FAQ
Does UPTIME Energy or Starbucks bottled Frappuccino (Mocha) have more caffeine? UPTIME Energy: 142mg per 12 oz can versus 105mg per 13.7 oz bottle for Starbucks bottled Frappuccino (Mocha).
Which is stronger per ounce? UPTIME Energy, at about 11.8mg per fluid ounce versus 7.7mg for Starbucks bottled Frappuccino (Mocha).
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.
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