C4 Smart Energy is a sparkling energy drink featuring 200mg of natural caffeine for sustained energy, combined with Cognizin citicoline for enhanced focus and cognitive function. The variety pack includes 15 cans total: 6 cans of Strawberry Guava, 6 cans of Watermelon Burst, and 3 cans of Cherry Berry Lime. Each 12 fl oz can contains zero sugar and zero calories, making it a clean energy option. The formula includes n-acetyl-l-tyrosine and B vitamins to support mental clarity and energy metabolism.

Nutrition per serving (1 can, 12 fl oz): 0 calories, 0g total fat, 0mg cholesterol, 0mg sodium, 0g total carbohydrate, 0g protein. Contains 200mg caffeine, 400mg potassium, 250mg citicoline (as Cognizin), 6mcg Vitamin B12 (250% DV), 6mg Vitamin B6 (350% DV). Ingredients include carbonated water, citric acid, natural flavors, potassium sorbate, potassium benzoate, sucralose, acesulfame potassium, n-acetyl-l-tyrosine, cyanocobalamin, pyridoxine HCl. Allergens: Not intended for children, pregnant or nursing women.