How much caffeine is in Rockstar Zero Punched?

Rockstar Zero Punched by Rockstar contains 240mg of caffeine per can.

Is Rockstar Zero Punched sugar-free?

Yes, Rockstar Zero Punched is sugar-free.

How many calories are in Rockstar Zero Punched?

Rockstar Zero Punched has 0 calories per can.

How does the caffeine in Rockstar Zero Punched 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 Zero Punched have more caffeine than a cup of coffee?

Yes. At 240 mg, Rockstar Zero Punched 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 Zero Punched?

Sweetened with Sucralose, Acesulfame Potassium, and Erythritol.

Rockstar

Rockstar Zero Punched

Availability last checked Oct 5, 2026

240mgMore caffeine than 80% of the drinks we track

lifestyleSugar-free

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

How it compares

vs. 938 drinks

Caffeine: 240mg
Sugar: 0g
Calories: 0

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

Check Price on Amazon + Compare + Log caffeine

As an Amazon Associate we earn from qualifying purchases.

Ingredients & nutrition facts

Carbonated Water
Citric Acid
Erythritol
Taurine
Sodium Citrate
Caffeine
Benzoic Acid (Preservative)
Acesulfame Potassium
Sucralose
Glucuronolactone
Sorbic Acid (Preservative)
Pantothenic Acid
Niacinamide
Inositol
Natural Flavors
Gum Arabic
Milk Thistle Extract
Ester Gum
Pyridoxine Hydrochloride
Panax Ginseng Root Extract
Guarana Seed Extract
Red No. 40
Blue No. 1
Cyanocobalamin

Label not yet re-checked

Frequently asked questions

How much caffeine is in Rockstar Zero Punched?: Rockstar Zero Punched by Rockstar contains 240mg of caffeine per can.
Is Rockstar Zero Punched sugar-free?: Yes, Rockstar Zero Punched is sugar-free.
How many calories are in Rockstar Zero Punched?: Rockstar Zero Punched has 0 calories per can.
How does the caffeine in Rockstar Zero Punched 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 Zero Punched have more caffeine than a cup of coffee?: Yes. At 240 mg, Rockstar Zero Punched 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 Zero Punched?: Sweetened with Sucralose, Acesulfame Potassium, and Erythritol.