Monster Zero Ultra vs. CELSIUS Sparkling Orange

Monster Zero Ultra beats CELSIUS Sparkling Orange on Shark Score, 90 to 84 (#12 and #49 of the 265 drinks we've rated). CELSIUS Sparkling Orange has more caffeine: 200 mg in 12 fl oz to 140 mg in 16 fl oz. Both are zero sugar.

By the Sharks · Updated October 2026 · How we score

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Side by side

Monster Zero Ultra vs. CELSIUS Sparkling Orange
Measure Monster Zero UltraCELSIUS Sparkling Orange
Shark Score 90Edge 84
Look 8.5/10Edge 8.3/10
Taste 9.3/10Edge 8.4/10
Kick 6/10 8/10Edge
Caffeine 140 mg 200 mg
Can size 16 fl oz 12 fl oz
Caffeine per fl oz 8.8 mg 16.7 mg
Zero sugarYesYes
BuyPrice for Monster Zero Ultra Price for CELSIUS Sparkling Orange

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.

Each Shark's overall score for Monster Zero Ultra and CELSIUS Sparkling Orange
SharkMonster Zero UltraCELSIUS Sparkling Orange
Jared 9.25Not rated
Cam 9.1Not rated
Matt 8.8Edge8.4

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.”Jared
Full review

CELSIUS Sparkling Orange

“This drink has reinvigorated my desire to try more CELSIUS flavors”Matt
Full review

Monster Zero Ultra vs. CELSIUS Sparkling Orange questions

Is Monster Zero Ultra better than CELSIUS Sparkling Orange?

Monster Zero Ultra beats CELSIUS Sparkling Orange on Shark Score, 90 to 84 (#12 and #49 of the 265 drinks we've rated). CELSIUS Sparkling Orange has more caffeine: 200 mg in 12 fl oz to 140 mg in 16 fl oz. Both are zero sugar.

Which has more caffeine, Monster Zero Ultra or CELSIUS Sparkling Orange?

CELSIUS Sparkling Orange, with 200 mg per 12 fl oz can, to 140 mg in Monster Zero Ultra's 16 fl oz can. Per fluid ounce that's 8.8 mg (Monster Zero Ultra) vs. 16.7 mg (CELSIUS Sparkling Orange). 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: Matt (Monster Zero Ultra).

Are Monster Zero Ultra and CELSIUS Sparkling Orange sugar-free?

Monster Zero Ultra: zero sugar. CELSIUS Sparkling Orange: zero sugar. Formulas change, so check the can.