Energy Drinks · Drink database
Caffeine in Monster Monster Energy (Original)
240 mg
per 24 oz can Very high
≈ 10.0 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) |
|---|---|---|---|
| 16 oz can (16 oz) | 160 mg | 40% | 2:06 PM |
| 24 oz can (24 oz) | 240 mg | 60% | 11:11 AM |
Cutoff column: average metabolism (5 h half-life), ~50 mg bedtime threshold — run it with your bedtime →
How it compares
Monster Monster Energy (Original) 240 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 240 mg per 24 oz can, this drink is 60% of the FDA's 400 mg daily ceiling for healthy adults.
Source: Manufacturer label · confidence: high
Make it useful
Log this in the tracker Check my cutoff time
Related reading: coffee vs tea vs energy drinks · when to stop before bed