C4 Smart Energy Drink – Boost Focus and Energy with Zero Sugar Natural Energy and Nootropics - 200mg Caffeine - Blue Raspberry (12oz Pack of 12)

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.