Monster Zero Ultra vs. Red Bull
Monster Zero Ultra beats Red Bull on Shark Score, 90 to 82 (#12 and #72 of the 265 drinks we've rated). Monster Zero Ultra has more caffeine: 140 mg in 16 fl oz to 80 mg in 8.4 fl oz. Monster Zero Ultra is zero sugar; Red Bull isn't.
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Side by side
| Measure |  Monster Zero Ultra |  Red Bull |
|---|---|---|
| Shark Score | 90Edge | 82 |
| Look | 8.5/10 | 8.5/10 |
| Taste | 9.3/10Edge | 8.3/10 |
| Kick | 6/10 | 6.1/10Edge |
| Caffeine | 140 mg | 80 mg |
| Can size | 16 fl oz | 8.4 fl oz |
| Caffeine per fl oz | 8.8 mg | 9.5 mg |
| Zero sugar | Yes | No |
| Buy | Price for Monster Zero Ultra | Price for Red Bull |
Shark Score blends the Sharks' scores with reader ratings. Look, taste and kick are the Sharks' averages out of 10. “Edge” marks the better number where higher is better; caffeine is a preference, not a score.
Shark by Shark
Each Shark's overall score out of 10.
What the Sharks said
Monster Zero Ultra
“It’s crisp, sweet, and refreshing with a nice aftertaste – definitely the drink I reach for if I want a consistent, delicious kick.”JaredFull review
Red Bull
“Sweet, bitter, and vaguely fruity. You really have to try it to understand.”JaredFull review
Monster Zero Ultra vs. Red Bull questions
Is Monster Zero Ultra better than Red Bull?
Monster Zero Ultra beats Red Bull on Shark Score, 90 to 82 (#12 and #72 of the 265 drinks we've rated). Monster Zero Ultra has more caffeine: 140 mg in 16 fl oz to 80 mg in 8.4 fl oz. Monster Zero Ultra is zero sugar; Red Bull isn't.
Which has more caffeine, Monster Zero Ultra or Red Bull?
Monster Zero Ultra, with 140 mg per 16 fl oz can, to 80 mg in Red Bull's 8.4 fl oz can. Per fluid ounce that's 8.8 mg (Monster Zero Ultra) vs. 9.5 mg (Red Bull). The FDA's guidance for healthy adults is up to 400 mg a day.
Which do the Sharks prefer?
Of the Sharks who scored both, here's who preferred which: Jared (Monster Zero Ultra), Matt (Monster Zero Ultra).
Are Monster Zero Ultra and Red Bull sugar-free?
Monster Zero Ultra: zero sugar. Red Bull: has sugar. Formulas change, so check the can.