C4 Performance Energy has more caffeine than Ghost Energy: 200mg vs 200mg in the same 16 oz can. That is a 0mg gap, and since the cans match, the per-serving number is the whole story.
C4 Performance Energy vs Ghost Energy: the numbers
| C4 Performance Energy | Ghost Energy | |
|---|---|---|
| Caffeine per serving | 200mg per 16 oz can | 200mg per 16 oz can |
| Caffeine per fl oz | 12.5mg | 12.5mg |
| Servings to reach 400mg (FDA context) | 2.0 | 2.0 |
Sources: C4 Performance Energy's figure is verified in our C4 Performance Energy caffeine guide against Caffeine Informer (source); Ghost Energy's figure is verified in our Ghost Energy guide against Caffeine Informer (source).
Which one should you pick?
Pick Ghost Energy when you want the lighter dose or a slower ramp, and C4 Performance 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
- C4 Performance Energy: the full caffeine guide
- Ghost Energy: the full caffeine guide
- The verified caffeine database
FAQ
Does C4 Performance Energy or Ghost Energy have more caffeine? C4 Performance Energy: 200mg per 16 oz can versus 200mg per 16 oz can for Ghost Energy.
Which is stronger per ounce? C4 Performance Energy, at about 12.5mg per fluid ounce versus 12.5mg for Ghost Energy.
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