Adrenaline Shoc has more caffeine than Xyience Xenergy: 300mg vs 176mg in the same 16 oz can. That is a 124mg gap, and since the cans match, the per-serving number is the whole story.
Adrenaline Shoc vs Xyience Xenergy: the numbers
| Adrenaline Shoc | Xyience Xenergy | |
|---|---|---|
| Caffeine per serving | 300mg per 16 oz can | 176mg per 16 oz can |
| Caffeine per fl oz | 18.8mg | 11.0mg |
| Servings to reach 400mg (FDA context) | 1.3 | 2.3 |
Sources: Adrenaline Shoc's figure is verified in our Adrenaline Shoc caffeine guide against Caffeine Informer (source); Xyience Xenergy's figure is verified in our Xyience Xenergy guide against Caffeine Informer (source).
Which one should you pick?
Pick Xyience Xenergy when you want the lighter dose or a slower ramp, and Adrenaline Shoc 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
- Adrenaline Shoc: the full caffeine guide
- Xyience Xenergy: the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
- Compare any two of 120+ drinks
FAQ
Does Adrenaline Shoc or Xyience Xenergy have more caffeine? Adrenaline Shoc: 300mg per 16 oz can versus 176mg per 16 oz can for Xyience Xenergy.
Which is stronger per ounce? Adrenaline Shoc, at about 18.8mg per fluid ounce versus 11.0mg for Xyience Xenergy.
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