C4 Smart Energy Drink

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C4 Smart Energy Drink

The brain-boosting beverage comes in four varieties.
C4 Smart Energy

C4 Smart Energy is a new line of better-for-you mental performance energy drinks designed to support cognitive function, awaken "SuperBrain Performance," and help users unleash their "inner Einstein." The brain-boosting beverage comes in four varieties: Cotton Candy, Peach Mango Nectar, Electric Sour, and Freedom Ice. C4 Smart Energy drinks contain no sugar, calories or carbs. They feature InnovaTea, a naturally derived caffeine made from fermented green tea leaves, plus N-acetyl L-tyrosine for additional cognitive and mood support.