Monster Ultra Peachy Keen vs. Alani Nu Juicy Peach

Alani Nu Juicy Peach beats Monster Ultra Peachy Keen on Shark Score, 91 to 84 (#7 and #53 of the 265 drinks we've rated). Alani Nu Juicy Peach has more caffeine: 200 mg in 12 fl oz to 150 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 Ultra Peachy Keen vs. Alani Nu Juicy Peach
Measure Monster Ultra Peachy KeenAlani Nu Juicy Peach
Shark Score 84 91Edge
Look 4/10 8/10Edge
Taste 8.6/10 9.1/10Edge
Kick 3.3/10 7/10Edge
Caffeine 150 mg 200 mg
Can size 16 fl oz 12 fl oz
Caffeine per fl oz 9.4 mg 16.7 mg
Zero sugarYesYes
BuyPrice for Monster Ultra Peachy Keen Price for Alani Nu Juicy Peach

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 Ultra Peachy Keen and Alani Nu Juicy Peach
SharkMonster Ultra Peachy KeenAlani Nu Juicy Peach
Cam 8.49.1Edge

What the Sharks said

Monster Ultra Peachy Keen

“Calm, refreshing, and tastes just like a peach!”Cam
Full review

Alani Nu Juicy Peach

“Incredibly juicy and quite peachy. Highly refreshing, smooth, and flat out delicious.”Cam
Full review

Monster Ultra Peachy Keen vs. Alani Nu Juicy Peach questions

Is Monster Ultra Peachy Keen better than Alani Nu Juicy Peach?

Alani Nu Juicy Peach beats Monster Ultra Peachy Keen on Shark Score, 91 to 84 (#7 and #53 of the 265 drinks we've rated). Alani Nu Juicy Peach has more caffeine: 200 mg in 12 fl oz to 150 mg in 16 fl oz. Both are zero sugar.

Which has more caffeine, Monster Ultra Peachy Keen or Alani Nu Juicy Peach?

Alani Nu Juicy Peach, with 200 mg per 12 fl oz can, to 150 mg in Monster Ultra Peachy Keen's 16 fl oz can. Per fluid ounce that's 9.4 mg (Monster Ultra Peachy Keen) vs. 16.7 mg (Alani Nu Juicy Peach). 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: Cam (Alani Nu Juicy Peach).

Are Monster Ultra Peachy Keen and Alani Nu Juicy Peach sugar-free?

Monster Ultra Peachy Keen: zero sugar. Alani Nu Juicy Peach: zero sugar. Formulas change, so check the can.