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Sign up for a subscription today and receive a variety 6-pack of C4 Smart Energy to "try before you buy," for only $6
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3 Flavors
Peach Mango Nectar
Perfect tango of a peach and mango
Freedom Ice
Rush of frosty tart blue raspberry that kicks
Electric Sour
Juicy and sweet citrus meets pleasantly tart punch






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CLEAN ENERGY
200MG INNOVATEA®
Made from green tea leaves, this naturally derived caffeine delivers anytime energy and alertness.
FOCUS + ATTENTION
COGNIZIN®
This patented citicoline is designed to support mental focus, attention and recall.
MENTAL ALERTNESS
N-ACETYL-L-TYROSINE
A more soluble form of L-Tyrosine, which supports the production of noradrenaline and dopamine, in turn supporting mental and cognitive health during stressful activities.
NO ARTIFICIAL
COLORS OR FLAVORS
Smart Energy is proudly formulated without artificial colors or flavors
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