Rockstar Energy Sugar Free

Availability last checked Sep 14, 2026

25More calories than 80% of the drinks we track

lifestyleSugar-free

Caffeine: 160mg; ≈ 1.5 cups of coffee
Sugar: 0g
Calories: 25

How it compares

vs. 859 drinks

Caffeine: 160mg
Sugar: 0g
Calories: 25

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

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Ingredients & nutrition facts

Carbonated Water
Citric Acid
Taurine
Natural Flavor
Sodium Benzoate (Preservative)
Caffeine
Sucralose
Acesulfame Potassium
Niacinamide (Vitamin B3)
Guarana Seed Extract
Pyridoxine Hydrochloride (Vitamin B6)
Cyanocobalamin (Vitamin B12)

Label not yet re-checked

Frequently asked questions

How much caffeine is in Rockstar Energy Sugar Free?: Rockstar Energy Sugar Free by Rockstar contains 160mg of caffeine per can.
Is Rockstar Energy Sugar Free sugar-free?: Yes, Rockstar Energy Sugar Free is sugar-free.
How many calories are in Rockstar Energy Sugar Free?: Rockstar Energy Sugar Free has 25 calories per can.
How does the caffeine in Rockstar Energy Sugar Free compare to daily guidelines?: One can (12 fl oz): 160 mg caffeine (about 13.3 mg per fl oz), about half the FDA's 400 mg a day guideline for healthy adults.
Does Rockstar Energy Sugar Free have more caffeine than a cup of coffee?: Yes. At 160 mg, Rockstar Energy Sugar Free has about as much caffeine as 1.5 cups of brewed coffee (an 8 oz cup of brewed coffee has about 95 mg, per the USDA).
What sweetens Rockstar Energy Sugar Free?: Sweetened with Sucralose and Acesulfame Potassium.

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Rockstar Energy Sugar Free

Availability last checked Sep 14, 2026

25More calories than 80% of the drinks we track

lifestyleSugar-free

Caffeine

160mg

≈ 1.5 cups of coffee

Sugar

Calories

How it compares

vs. 859 drinks

Caffeine: 160mg
Sugar: 0g
Calories: 25

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

As an Amazon Associate we earn from qualifying purchases.

Ingredients & nutrition facts

Carbonated Water
Citric Acid
Taurine
Natural Flavor
Sodium Benzoate (Preservative)
Caffeine
Sucralose
Acesulfame Potassium
Niacinamide (Vitamin B3)
Guarana Seed Extract
Pyridoxine Hydrochloride (Vitamin B6)
Cyanocobalamin (Vitamin B12)

Label not yet re-checked

Frequently asked questions

How much caffeine is in Rockstar Energy Sugar Free?

Rockstar Energy Sugar Free by Rockstar contains 160mg of caffeine per can.

Is Rockstar Energy Sugar Free sugar-free?

Yes, Rockstar Energy Sugar Free is sugar-free.

How many calories are in Rockstar Energy Sugar Free?

Rockstar Energy Sugar Free has 25 calories per can.

How does the caffeine in Rockstar Energy Sugar Free compare to daily guidelines?

One can (12 fl oz): 160 mg caffeine (about 13.3 mg per fl oz), about half the FDA's 400 mg a day guideline for healthy adults.

Does Rockstar Energy Sugar Free have more caffeine than a cup of coffee?

Yes. At 160 mg, Rockstar Energy Sugar Free has about as much caffeine as 1.5 cups of brewed coffee (an 8 oz cup of brewed coffee has about 95 mg, per the USDA).

What sweetens Rockstar Energy Sugar Free?

Sweetened with Sucralose and Acesulfame Potassium.