Mtn Dew Rise Energy has more caffeine than V8 +Energy on both counts: 180mg per 16 oz can against 80mg per 8 oz can, and about 11mg per fluid ounce against 10. The serving sizes differ, so the table below shows both ways of counting.
Mtn Dew Rise Energy vs V8 +Energy: the numbers
| Mtn Dew Rise Energy | V8 +Energy | |
|---|---|---|
| Caffeine per serving | 180mg per 16 oz can | 80mg per 8 oz can |
| Caffeine per fl oz | 11.2mg | 10.0mg |
| Servings to reach 400mg (FDA context) | 2.2 | 5.0 |
Sources: Mtn Dew Rise Energy's figure is verified in our Mtn Dew Rise Energy caffeine guide against PepsiCo product facts (source); V8 +Energy's figure is verified in our V8 +Energy guide against Campbell's / Caffeine Informer (source).
Which one should you pick?
Pick V8 +Energy when you want the lighter dose or a slower ramp, and Mtn Dew Rise 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
- Mtn Dew Rise Energy: the full caffeine guide
- V8 +Energy: the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
- Compare any two of 120+ drinks
FAQ
Does Mtn Dew Rise Energy or V8 +Energy have more caffeine? Mtn Dew Rise Energy: 180mg per 16 oz can versus 80mg per 8 oz can for V8 +Energy.
Which is stronger per ounce? Mtn Dew Rise Energy, at about 11.2mg per fluid ounce versus 10.0mg for V8 +Energy.
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