Powered by InnovaTea® caffeine, which is naturally derived from green tea
Cognizin® Citicoline & N-Acetyl-L-Tyrosine fuel focus, attention, and alertness
Incredible C4 taste with ZERO sugars, carbs, or calories
No Artificial Flavors
Proudly formulated without artificial colors or flavors
Delivers anytime energy and alertness
Clinically studied to support mental focus and attention
Mood-boosting support during stressful activities like physical training
Powered by InnovaTea® Naturally Derived Caffeine (from Tea), brain-boosting Cognizin® Citicoline, and the additional support of N-Acetyl L-Tyrosine, C4 Smart Energy delivers energy, focus, and mental performance to help you conquer any task—from work to play, gaming to studying, partying to planning. C4 Smart Energy is proudly made with natural flavors, no artificial colors or dyes, and contains zero calories, sugar, or carbs.
Consume one can (16 fl oz) of C4® Smart Energy before dominating exercise... and life.
Do not consume this product if you are pregnant or nursing. Store in a cool, dry place. Do not freeze. KEEP OUT OF REACH OF CHILDREN
A blend of 4 tasty berry flavors with a subtly sweet twist
Cherry so smooth, so crisp, so bold!
Rush of frosty tart blue raspberry that kicks
Juicy and sweet citrus meets pleasantly tart punch
Sweet, caramellic, jammy, fruity, and berry like
Perfect tango of a peach and mango