Naturally sweetened with zero sugars, calories, or carbs, and infused with clinically studied ingredients, C4 Smart Energy provides a revitalizing blend of benefits that include increased mental focus paired with energy from naturally derived caffeine. And with incredible C4 taste, no artificial flavors, colors, dyes, or preservatives, this invigorating formula delivers everything you need to unlock your mental potential with zero compromise. Plant-based energy from green teaUsing InnovaTea® caffeine, naturally derived from green tea. Supports mental focusCognizin is a nutrient that helps support mental focus, attention and recall. Naturally Sweetened with Zero SugarZero artificial colors, sweeteners, or preservatives with zero compromise on flavor.