Celsius Essentials has more caffeine than Monster: 270mg vs 160mg in the same 16 oz can. That is a 110mg gap, and since the cans match, the per-serving number is the whole story.
Celsius Essentials vs Monster: the numbers
| Celsius Essentials | Monster | |
|---|---|---|
| Caffeine per serving | 270mg per 16 oz can | 160mg per 16 oz can |
| Caffeine per fl oz | 16.9mg | 10.0mg |
| Servings to reach 400mg (FDA context) | 1.5 | 2.5 |
Sources: Celsius Essentials's figure is verified in our Celsius Essentials caffeine guide against Celsius essential facts (source); Monster's figure is verified in our Monster guide against Caffeine Informer (source).
Which one should you pick?
Pick Monster when you want the lighter dose or a slower ramp, and Celsius Essentials 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
- Celsius Essentials: the full caffeine guide
- Monster: the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
FAQ
Does Celsius Essentials or Monster have more caffeine? Celsius Essentials: 270mg per 16 oz can versus 160mg per 16 oz can for Monster.
Which is stronger per ounce? Celsius Essentials, at about 16.9mg per fluid ounce versus 10.0mg for Monster.
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.