Flavors: Electric Sour
In stock


Superbrain Nootropic Energy - Cellucor C4 Smart Energy Superbrain RTD 12/Pack

Want more from your energy drink? Try the all new Cellucor C4 Smart Energy, a ready-to-drink formulation of stimulants and nootropics for energy and brain power! The key cognitive performance boosting ingredients in C4 Smart Energy Superbrain include citicoline, niacin, and vitamin B12. On the other hand, the energy formula behind C4 Smart Energy RTD contains 200mg of natural caffeine from green tea leaves. This formula provides the perfect blend to boost your energy and performance levels, as well as support mental focus, attention, and memory. Crush your day and your workout with this potent combination of ingredients.

Plus, Cellucor C4 Superbrain contains zero grams of sugar, zero calories, and no artificial colors. Get everything you want from this next-level energy drink and nothing that you don't. So try Cellucor C4 Smart Energy at Supplement Warehouse today!

Cellucor C4 Smart Energy RTD Benefits

  • Contains Zero Sugar
  • Performance Fuel
  • Zero Calories
  • 200mg of Caffeine per Can
  • Anytime Energy Drink

Cellucor C4 Smart Energy RTD Flavors

  • Electric Sour
  • Cotton Candy
  • Peach Mango Nectar
  • Freedom Ice

When to Take Cellucor C4 Smart Energy RTD

"Recommended for adults over 18 who want anytime energy to dominate life."

Drink a can of C4 Smart Energy anytime you need an boost of energy, focus, or performance during your day. 

Other C4 Energy Drinks & Supplements

To find all of our Cellucor and C4 energy supplements, click here!

Cellucor C4 Smart Energy RTD Ingredients

Nutrition Facts

Serving Size: 1 Can (16 fl. oz.)

Amount per Serving

Calories 0

% Daily Value

Total Fat 0g 0%

Sodium 0mg 0%

Total Carbohydrate 0g 0%

Total Sugars 0g

Includes 0g Added Sugars 0%

Protein 0g 0%

Niacin 30mg 190%

Vitamin B12 6mcg 250%

Not a significant source of saturated fat, trans fat, cholesterol, dietary fiber, vitamin D, calcium, iron, and potassium.

*The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. 

Ingredients: Carbonated water, citric acid, malic acid, natural flavors, Cognizin Citicoline, Potassium Benzoate (preservative), Sucralose, InnovaTea Green tea leaf extract, Acesulfame Potassium, Niacinamide, N-Acetyl-L-Tyrosine, Sodium Citrate, Cyanocobalamin (Vitamin B12).

Caffeine: 200mg per 16 fl. oz. (1 Can)

Cellucor C4 Smart Energy RTD Warnings

Caution: Do not consume this product if you are pregnant or nursing. Store in a cool, dry place. Do not freeze. KEEP OUT OF REACH OF CHILDREN.


Dunwiddie TV, Masino SA. - The role and regulation of adenosine in the central nervous system. 2001.

Wang W, Liang B. - Case report of mental disorder induced by niacin deficiency. 2012.

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