The delicious sugar-free energy drink, C4® Smart Energy, is powered by InnovaTea® Naturally Derived Caffeine (from Green Tea) and brain-boosting Cognizin® Citicoline to deliver energy, focus, and mental performance to help you conquer any task—from work to play, gaming to studying, partying to planning. Formulated with 200mg of InnovaTea Naturally Derived Caffeine produced from tea leaves that delivers anytime energy and alertness, C4 Smart Energy empowers you to conquer any task from work to play, gaming to studying, partying to planning, and even pre-workout. As a sugar-free beverage for men and women, it boasts zero sugar, zero calories, and zero carbs in every delicious serving, with no artificial colors or dyes. Offering a wide range of mouthwatering flavors unlike anything else on the market, including Icy Blue Razz, Black Cherry, Strawberry Guava, Tropical Passionfruit, Blood Orange Yuzu, Cherry Berry Lime, Watermelon Burst, and Peach Mango Nectar, C4 Sugar-Free Energy Drink provides a delicious way to help awaken your super and conquer your goals. Trusted since 2011, America's Number 1 Selling Pre-Workout Brand has sold over 2 billion servings, and the new look of C4 Energy offers the same reliable performance.

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