Energy drink, sugar free (Rockstar)
Common food
Photo: Wikipedia
A zero-sugar, ultra-low-calorie carbonated beverage designed for a quick mental and physical lift. It delivers a sharp, synthetic fruit-blast flavor (often citrus or berry) with a thin, watery texture that lacks the syrupy mouthfeel of sugary sodas. Nutritionally, it is essentially a delivery vehicle for caffeine and B-vitamins, contributing negligible calories (4 kcal/100g) and no significant macronutrients.
Calorie split: 22% protein · 62% carbs · 16% fat
↓ Full nutrition💚 Why it's loved
People love it for the intense, immediate energy spike and the bold, artificial flavors that cut through fatigue. It’s a staple in gaming culture and late-night study sessions, valued for its ability to provide a quick, zero-calorie pick-me-up without the crash of sugary drinks.
⚠️ Watch-outs & how to enjoy it better
The high caffeine content can cause jitters, anxiety, or a subsequent energy crash, especially in those sensitive to stimulants. Artificial sweeteners (like sucralose or acesulfame potassium) may cause digestive discomfort in some individuals. To counteract, pair with a source of protein or healthy fat to stabilize energy, and limit intake to one can per day; avoid consuming it late in the afternoon to prevent sleep disruption.
Key benefits
- Extremely low calorie (4 kcal per 100g)
- Zero sugar content
- Provides a rapid caffeine boost
- Contains B-vitamins (B3, B6, B12)
- Convenient liquid format for on-the-go consumption
🍽️ Popular dishes
🌍 Where it's eaten
💡 Did you know?
Rockstar Energy was originally launched in 2001 with a focus on the music and extreme sports scenes, and its logo features a stylized star that has become iconic in energy drink culture.
Full nutrition (USDA data · scales with serving)
| Water | 98.3 g |
| Energy | 4.0 kcal |
| Protein | 0.25 g |
| Total lipid (fat) | 0.08 g |
| Carbohydrate, by difference | 0.70 g |
| Fiber, total dietary | 0.00 g |
| Total Sugars | 0.00 g |
| Calcium, Ca | 13.0 mg |
| Iron, Fe | 0.02 mg |
| Magnesium, Mg | 3.0 mg |
| Phosphorus, P | 0.00 mg |
| Potassium, K | 3.0 mg |
| Sodium, Na | 52.0 mg |
| Zinc, Zn | 0.00 mg |
| Copper, Cu | 0.01 mg |
| Selenium, Se | 0.20 ug |
| Vitamin C, total ascorbic acid | 0.00 mg |
| Thiamin | 0.03 mg |
| Riboflavin | 1.4 mg |
| Niacin | 8.3 mg |
| Vitamin B-6 | 0.83 mg |
| Folate, total | 0.00 ug |
| Folic acid | 0.00 ug |
| Folate, food | 0.00 ug |
| Folate, DFE | 0.00 ug |
| Choline, total | 0.00 mg |
| Vitamin B-12 | 2.5 ug |
| Vitamin B-12, added | 2.5 ug |
| Vitamin A, RAE | 0.00 ug |
| Retinol | 0.00 ug |
| Carotene, beta | 0.00 ug |
| Carotene, alpha | 0.00 ug |
| Cryptoxanthin, beta | 0.00 ug |
| Lycopene | 0.00 ug |
| Lutein + zeaxanthin | 0.00 ug |
| Vitamin E (alpha-tocopherol) | 0.00 mg |
| Vitamin E, added | 0.00 mg |
| Vitamin D (D2 + D3) | 0.00 ug |
| Vitamin K (phylloquinone) | 0.00 ug |
| Alcohol, ethyl | 0.00 g |
| Caffeine | 33.0 mg |
| Theobromine | 0.00 mg |
Fat & fatty acid profile (per 100g)
| Fatty acids, total saturated | 0.00 g |
| SFA 4:0 | 0.00 g |
| SFA 6:0 | 0.00 g |
| SFA 8:0 | 0.00 g |
| SFA 10:0 | 0.00 g |
| SFA 12:0 | 0.00 g |
| SFA 14:0 | 0.00 g |
| SFA 16:0 | 0.00 g |
| SFA 18:0 | 0.00 g |
| Fatty acids, total monounsaturated | 0.00 g |
| MUFA 16:1 | 0.00 g |
| MUFA 18:1 | 0.00 g |
| MUFA 20:1 | 0.00 g |
| MUFA 22:1 | 0.00 g |
| Fatty acids, total polyunsaturated | 0.00 g |
| PUFA 18:2 | 0.00 g |
| PUFA 18:3 | 0.00 g |
| PUFA 18:4 | 0.00 g |
| PUFA 20:4 | 0.00 g |
| PUFA 20:5 n-3 (EPA) | 0.00 g |
| PUFA 22:5 n-3 (DPA) | 0.00 g |
| PUFA 22:6 n-3 (DHA) | 0.00 g |
| Cholesterol | 0.00 mg |
FAQ
Is sugar-free Rockstar safe to drink daily?
While it contains no sugar, the high caffeine content (often 160mg per can) can lead to dependency, sleep issues, or heart palpitations if consumed excessively. Moderation is key.
Does it really have zero calories?
It has negligible calories (around 4 kcal per 100g) due to the absence of sugar and fat, but the caffeine and artificial sweeteners still have metabolic effects.
Can I use it in cooking or baking?
Yes, it can be used in marinades, slushies, or as a liquid in some recipes, but the artificial flavors may alter the taste profile.
Nutrient density (calculated · NRF9.3)
Nutrient Rich Foods index: beneficial nutrients (protein, fiber, vitamins, minerals) minus saturated fat, added sugar & sodium, per 100 kcal.
NRF9.3 index — Fulgoni, Keast & Drewnowski, 2009. Computed from USDA nutrients.
Weight-loss friendliness (composite index)
Energy density 0.04 kcal/g · 25% calories from protein · 0.0 g fiber · 0.0 g sugar per 100 g.
Composite of energy density (Rolls et al., 1999), protein & fiber satiety, minus sugar. A calculated heuristic — ranks satiety-per-calorie, not a clinical measure.
Dietary load (calculated from USDA values)
Potential renal acid load. Positive = acid-forming, negative = alkaline-forming.
Sodium-to-potassium ratio: 17.33 (lower is better — aim for ≤ 1)
Sodium:potassium per WHO potassium guidance. Computed from USDA nutrients.