Price: ~~$22.49~~ - $19.16
(as of Dec 22, 2025 22:28:03 UTC – Details)

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.
Package Dimensions ‏ : ‎ 10.04 x 6.93 x 6.26 inches; 9.9 Pounds
Date First Available ‏ : ‎ May 17, 2023
Manufacturer ‏ : ‎ Nutrabolt
ASIN ‏ : ‎ B0C5JZ9C7W
Best Sellers Rank: #618 in Grocery & Gourmet Food (See Top 100 in Grocery & Gourmet Food) #30 in Energy Drinks
Customer Reviews: 4.6 4.6 out of 5 stars (7,031) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
ENERGY TO OVERACHIEVE – Formulated with 200mg of InnovaTea Naturally Derived Caffeine produced from tea leaves that delivers anytime energy and alertness. Conquer any task from work to play, gaming to studying, partying to planning to pre workout
SUGAR-FREE BEVERAGE FOR MEN & WOMEN – Zero sugar, zero calories, and zero carbs in every delicious serving, with no artificial colors or dyes
DELICIOUS FLAVORS UNLIKE ANYTHING ON THE MARKET – Each sugar free energy drinks variety pack comes with flavors Tropical Passionfruit, Strawberry Guava, Peach Mango, Blood Orange Yuzu
C4 SUGAR-FREE ENERGY DRINK – America’s Number 1 Selling Pre-Workout Brand has been trusted since 2011 with over 2 billion servings sold
PACKAGING MAY VARY* – New Look, Same C4 Smart Energy!