C4 Smart Energy is a zero-calorie carbonated energy drink designed to boost mental focus and natural energy. Each 16 fl oz can delivers 200mg of caffeine derived from green coffee bean extract along with Cognizin citicoline, a clinically studied nootropic ingredient that supports mental focus, attention, recall, and multi-tasking performance. The drink features N-Acetyl-L-Tyrosine to support noradrenaline and dopamine production during stressful activities.

This variety pack includes 18 cans in assorted flavors such as Peach Mango, Tropical Passionfruit, Cherry Berry Lime, Watermelon Burst, Blood Orange Yuzu, and Strawberry Guava. The formula contains zero sugar and uses natural flavoring with sucralose and acesulfame potassium as sweeteners.

Nutrition per serving (16 fl oz): 0 calories, 0g total fat, 0g carbohydrates, 0g protein, 0mg sodium, 190mg potassium (4% DV). Rich in B vitamins with 30mg niacin (190% DV) and 6mcg vitamin B12 (250% DV). Not a significant source of saturated fat, trans fat, cholesterol, dietary fiber, vitamin D, calcium, or iron. Contains 200mg caffeine per can. Ingredients: Carbonated water, citric acid, potassium citrate, natural flavors, Cognizin citicoline, natural caffeine from green coffee bean extract, potassium benzoate (preservative), sucralose, acesulfame potassium, niacinamide, N-acetyl-L-tyrosine, cyanocobalamin (vitamin B12). Caution: Not intended for children or pregnant/nursing women. Recommended for adults only.