C4 Smart Energy RTD (12 Pack)

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12/23 Dated

C4 Smart Energy is the energy drink you can count on to fire up your brain power with laser focus and elevated energy for next level mental performance. From work to play, gaming to studying, C4 Smart Energy delivers the brain-boosting support of clinically studied ingredients to power up your brain.


Built for the innovators, the disruptors, the hustlers and go-getters. Unleash your inner Einstein and tap into the limitless power of your mind. 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.


  • PLANT-BASED ENERGY — Elevate your energy with 200 mg of InnovaTea caffeine naturally derived from green tea leaves.
  • MENTAL FOCUS — Ignite your Superbrain Performance with mental focus, attention, and recall from patented nutrient, Cognizin.
  • ZERO SUGAR — Proudly made with zero sugar and contains no artificial colors.
  • INCREDIBLE FLAVOR — Refreshing and mouthwatering flavors and made without artificial colors or dyes.