How much caffeine is in Rockstar Pure Zero Watermelon Kiwi?

Rockstar Pure Zero Watermelon Kiwi by Rockstar contains 240mg of caffeine per can.

Is Rockstar Pure Zero Watermelon Kiwi sugar-free?

Yes, Rockstar Pure Zero Watermelon Kiwi is sugar-free.

How many calories are in Rockstar Pure Zero Watermelon Kiwi?

Rockstar Pure Zero Watermelon Kiwi has 0 calories per can.

How does the caffeine in Rockstar Pure Zero Watermelon Kiwi compare to daily guidelines?

One can (16 fl oz): 240 mg caffeine (about 15 mg per fl oz), about three-quarters of the FDA's 400 mg a day guideline for healthy adults.

Does Rockstar Pure Zero Watermelon Kiwi have more caffeine than a cup of coffee?

Yes. At 240 mg, Rockstar Pure Zero Watermelon Kiwi has about as much caffeine as 2.5 cups of brewed coffee (an 8 oz cup of brewed coffee has about 95 mg, per the USDA).

What sweetens Rockstar Pure Zero Watermelon Kiwi?

Sweetened with Sucralose, Acesulfame Potassium, and Erythritol.

Rockstar · Pure Zero

Rockstar Pure Zero Watermelon Kiwi

Availability last checked Sep 3, 2026

240mgMore caffeine than 79% of the drinks we track

lifestyleSugar-free

Caffeine: 240mg; ≈ 2.5 cups of coffee
Sugar: 0g
Calories: 0

How it compares

vs. 881 drinks

Caffeine: 240mg
Sugar: 0g
Calories: 0

Based on every drink in our catalog. See the category-wide data

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Ingredients & nutrition facts

Carbonated Water
Citric Acid
Erythritol
Taurine
Sodium Citrate
Caffeine
Benzoic Acid (Preservative)
Acesulfame Potassium
Sucralose
Glucuronolactone
Sorbic Acid (Preservative)
Pantothenic Acid (Vitamin B5)
Niacinamide (Vitamin B3)
Inositol
Natural Flavors
Gum Arabic
Milk Thistle Extract
Ester Gum
Pyridoxine Hydrochloride (Vitamin B6)
Panax Ginseng Root Extract
Guarana Seed Extract

Label not yet re-checked

Frequently asked questions

How much caffeine is in Rockstar Pure Zero Watermelon Kiwi?: Rockstar Pure Zero Watermelon Kiwi by Rockstar contains 240mg of caffeine per can.
Is Rockstar Pure Zero Watermelon Kiwi sugar-free?: Yes, Rockstar Pure Zero Watermelon Kiwi is sugar-free.
How many calories are in Rockstar Pure Zero Watermelon Kiwi?: Rockstar Pure Zero Watermelon Kiwi has 0 calories per can.
How does the caffeine in Rockstar Pure Zero Watermelon Kiwi compare to daily guidelines?: One can (16 fl oz): 240 mg caffeine (about 15 mg per fl oz), about three-quarters of the FDA's 400 mg a day guideline for healthy adults.
Does Rockstar Pure Zero Watermelon Kiwi have more caffeine than a cup of coffee?: Yes. At 240 mg, Rockstar Pure Zero Watermelon Kiwi has about as much caffeine as 2.5 cups of brewed coffee (an 8 oz cup of brewed coffee has about 95 mg, per the USDA).
What sweetens Rockstar Pure Zero Watermelon Kiwi?: Sweetened with Sucralose, Acesulfame Potassium, and Erythritol.