C4 Smart Energy

UPC: 842595118926 MSRP: 35.99 UPC: 842595118902 MSRP: 35.99 UPC: 842595116335 MSRP: 35.99 UPC: 842595116328 MSRP: 35.99 UPC: 842595116342 MSRP: 35.99 UPC: 842595116304 MSRP: 35.99 UPC: 842595117004 MSRP: 32.99 UPC: 842595117097 MSRP: 32.99
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$29.99 Regular price
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Clean Energy

Powered by InnovaTea® caffeine, which is naturally derived from green tea

Cognitive Performance

Cognizin® Citicoline & N-Acetyl-L-Tyrosine fuel focus, attention, and alertness

Zero Sugar

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

Energy to



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.

Powered By

  • InnovaTea® Naturally Derived Caffeine
    Made from green tea, this naturally derived caffeine delivers anytime energy and alertness
  • Cognizin® Citicoline
    This patented brain-boosting citicoline helps support mental focus, attention, and recall
  • N-Acetyl L-Tyrosine
    Helps the body produce key neurotransmitters like dopamine to support mood and cognitive health

C4 Smart Energy Ingredients

  • 16oz - 200mg InnovaTea® Naturally Derived Caffeine
  • 12oz - 150mg InnovaTea® Naturally Derived Caffeine
  • Cognizin® Citicoline
  • N-Acetyl L-Tyrosine
  • An anytime energy drink
  • Zero Calories, Sugar, Carbs
  • NO Artificial Colors or Dyes
  • Natural Flavors

Consume one can (16 fl oz) of C4® Smart Energy before dominating exercise... and life.

Nutrition Label

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

Try All
6 Flavors

Icy Blue Razz

A blend of 4 tasty berry flavors with a subtly sweet twist

Black Cherry

Cherry so smooth, so crisp, so bold!

Freedom Ice

Rush of frosty tart blue raspberry that kicks

Electric Sour

Juicy and sweet citrus meets pleasantly tart punch

Cotton Candy

Sweet, caramellic, jammy, fruity, and berry like

Peach Mango Nectar

Perfect tango of a peach and mango