Energy Drinks · Drink database
Caffeine in Celsius Celsius (Original Sparkling)
200 mg
per 12 oz slim can Very high
≈ 16.7 mg per fl oz
The ceiling is in sight. The ceiling is not a challenge.
Every serving size
| Serving | Caffeine | % of 400 mg day | Finish by (10:30 PM bed) |
|---|---|---|---|
| 12 oz slim can (12 oz) | 200 mg | 50% | 12:30 PM |
Cutoff column: average metabolism (5 h half-life), ~50 mg bedtime threshold — run it with your bedtime →
How it compares
Celsius Celsius (Original Sparkling) 200 mg
Green tea (8 oz) 28 mg
Black tea (8 oz) 47 mg
Brewed coffee (8 oz) 96 mg
Monster (16 oz) 160 mg
Bang (16 oz) 300 mg
Over half the FDA daily limit in one serving. The tracker will flag stacking a second one — and the cutoff calculator will push this earlier than you expect. At 200 mg per 12 oz slim can, this drink is 50% of the FDA's 400 mg daily ceiling for healthy adults.
Source: Manufacturer label · confidence: high
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Related reading: coffee vs tea vs energy drinks · when to stop before bed