How much caffeine is in Rockstar Energy Focus Watermelon Kiwi?

Rockstar Energy Focus Watermelon Kiwi by Rockstar contains 200mg of caffeine per can.

Is Rockstar Energy Focus Watermelon Kiwi sugar-free?

Yes, Rockstar Energy Focus Watermelon Kiwi is sugar-free.

How many calories are in Rockstar Energy Focus Watermelon Kiwi?

Rockstar Energy Focus Watermelon Kiwi has 0 calories per can.

How does the caffeine in Rockstar Energy Focus Watermelon Kiwi compare to daily guidelines?

One can (12 fl oz): 200 mg caffeine (about 16.7 mg per fl oz), about half the FDA's 400 mg a day guideline for healthy adults.

Does Rockstar Energy Focus Watermelon Kiwi have more caffeine than a cup of coffee?

Yes. At 200 mg, Rockstar Energy Focus Watermelon Kiwi has about as much caffeine as 2 cups of brewed coffee (an 8 oz cup of brewed coffee has about 95 mg, per the USDA).

What sweetens Rockstar Energy Focus Watermelon Kiwi?

Sweetened with Sucralose and Acesulfame Potassium.

Rockstar · Boom

Rockstar Energy Focus Watermelon Kiwi

Availability last checked Sep 7, 2026

200mgThe most common dose in the category — 38% of drinks match it exactly

lifestyleSugar-free

Caffeine: 200mg; ≈ 2 cups of coffee
Sugar: 0g
Calories: 0

How it compares

vs. 907 drinks

Caffeine: 200mg
Sugar: 0g
Calories: 0

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

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Focus — label lists Lion's mane

Ingredients & nutrition facts

Carbonated Water
Citric Acid
Natural Flavor
Caffeine
Sodium Benzoate (Preservative)
Potassium Sorbate (Preservative)
Lion's Mane Mushroom Extract
Sucralose
Acesulfame Potassium
Niacinamide (Vitamin B3)
Calcium Pantothenate (Vitamin B5)
Milk Thistle Extract
Pyridoxine Hydrochloride (Vitamin B6)
Taurine
Guarana Seed Extract
Caramel Color
Cyanocobalamin (Vitamin B12)

Label not yet re-checked

Frequently asked questions

How much caffeine is in Rockstar Energy Focus Watermelon Kiwi?: Rockstar Energy Focus Watermelon Kiwi by Rockstar contains 200mg of caffeine per can.
Is Rockstar Energy Focus Watermelon Kiwi sugar-free?: Yes, Rockstar Energy Focus Watermelon Kiwi is sugar-free.
How many calories are in Rockstar Energy Focus Watermelon Kiwi?: Rockstar Energy Focus Watermelon Kiwi has 0 calories per can.
How does the caffeine in Rockstar Energy Focus Watermelon Kiwi compare to daily guidelines?: One can (12 fl oz): 200 mg caffeine (about 16.7 mg per fl oz), about half the FDA's 400 mg a day guideline for healthy adults.
Does Rockstar Energy Focus Watermelon Kiwi have more caffeine than a cup of coffee?: Yes. At 200 mg, Rockstar Energy Focus Watermelon Kiwi has about as much caffeine as 2 cups of brewed coffee (an 8 oz cup of brewed coffee has about 95 mg, per the USDA).
What sweetens Rockstar Energy Focus Watermelon Kiwi?: Sweetened with Sucralose and Acesulfame Potassium.