CELSIUS Sparkling Strawberry Guava vs. Alani Nu Cosmic Stardust

CELSIUS Sparkling Strawberry Guava beats Alani Nu Cosmic Stardust on Shark Score, 89 to 85 (#22 and #45 of the 265 drinks we've rated). Both have 200 mg of caffeine per can. Both are zero sugar.

By the Sharks · Updated October 2026 · How we score

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Side by side

CELSIUS Sparkling Strawberry Guava vs. Alani Nu Cosmic Stardust
Measure CELSIUS Sparkling Strawberry GuavaAlani Nu Cosmic Stardust
Shark Score 89Edge 85
Look 7/10 8.2/10Edge
Taste 8.8/10Edge 8.6/10
Kick 9/10Edge 7/10
Caffeine 200 mg 200 mg
Can size 12 fl oz 12 fl oz
Caffeine per fl oz 16.7 mg 16.7 mg
Zero sugarYesYes
BuyPrice for CELSIUS Sparkling Strawberry Guava Price for Alani Nu Cosmic Stardust

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 CELSIUS Sparkling Strawberry Guava and Alani Nu Cosmic Stardust
SharkCELSIUS Sparkling Strawberry GuavaAlani Nu Cosmic Stardust
Jared 8.9Not rated
Cam Not rated8.5

What the Sharks said

CELSIUS Sparkling Strawberry Guava

“My first thought was wow, that’s artificial. But my second thought was, damn, I really don’t care. It’s that good!”Jared
Full review

Alani Nu Cosmic Stardust

“Sweet grape skittle flavor that is great once, but has a low “redrinkability” rate.”Cam
Full review

CELSIUS Sparkling Strawberry Guava vs. Alani Nu Cosmic Stardust questions

Is CELSIUS Sparkling Strawberry Guava better than Alani Nu Cosmic Stardust?

CELSIUS Sparkling Strawberry Guava beats Alani Nu Cosmic Stardust on Shark Score, 89 to 85 (#22 and #45 of the 265 drinks we've rated). Both have 200 mg of caffeine per can. Both are zero sugar.

Which has more caffeine, CELSIUS Sparkling Strawberry Guava or Alani Nu Cosmic Stardust?

Neither: both have 200 mg of caffeine per can. Per fluid ounce that's 16.7 mg (CELSIUS Sparkling Strawberry Guava) vs. 16.7 mg (Alani Nu Cosmic Stardust). The FDA's guidance for healthy adults is up to 400 mg a day.

Are CELSIUS Sparkling Strawberry Guava and Alani Nu Cosmic Stardust sugar-free?

CELSIUS Sparkling Strawberry Guava: zero sugar. Alani Nu Cosmic Stardust: zero sugar. Formulas change, so check the can.