Caffeine in Drinks

Rockstar Hardcore Energy Drink

Discontinued? This item may no longer be available.

Rockstar Hardcore Energy Drink is a green apple flavored energy drink from Rockstar Energy.

It has 50% more caffeine than traditional Rockstar Energy Drink. 

Rockstar Hardcore is intended for healthy adults only who understand their tolerance and sensitivity to caffeine. 

Ingredients in Rockstar Hardcore Energy Drink

Carbonated Water, Sugar, Glucose, Citric Acid, Taurine, Sodium Citrate, Caffeine, Benzoic Acid (preservative), Sorbic Acid (preservative), Pantothenic Acid, Niacinamide, L-carnitine, Inositol, Natural Flavors, Acesulfame Potassium, Sucralose, Milk Thistle Extract, Pyridoxine Hydrochloride, Panax Ginseng Root Extract, Yellow #5, Guarana Seed Extract, Blue #1, Cyanocobalamin.

Includes 60 grams of sugar (per 16 ounces) for a total of 0 calories.

Compare sugar levels of other drinks

Is Rockstar Hardcore Energy Drink high in caffeine?

Rockstar Hardcore Energy Drink contains 15.00 mg of caffeine per fl oz (50.72 mg per 100 ml). A 16 fl oz can has a total of 240 mg of caffeine.

Total Caffeine (mg)

400360320280 24020016012080 400 Rockstar Hardcore Energy Drink (240 mg) Bang Energy (300 mg) Monster Energy (160 mg) Red Bull (80 mg)Starbucks Triple Shot Energy (225 mg)