C4

C4

C4 is a leading energy drink and pre-workout brand by Cellucor, part of the Nutrabolt family of brands.Read More ↓

Key Products

C4 Sparkling Protein

C4 Sparkling Protein

C4 Ultimate Energy

C4 Ultimate Energy

C4 Energy

C4 Energy

Coverage

C4 Performance Energy Drops a Limited-Edition Pink Lemonade

C4 Performance Energy Drops a Limited-Edition Pink Lemonade

C4 Performance Energy Gets a New Flavor: Mango Fuego

C4 Performance Energy Gets a New Flavor: Mango Fuego

C4 Smart Energy Gets a Clean New Look for 2026: Same Formula Inside

C4 Smart Energy Gets a Clean New Look for 2026: Same Formula Inside

About C4

C4 started as Cellucor's flagship pre-workout supplement and has since become one of the top-selling energy drink brands in the United States. With wide distribution across convenience stores, grocery chains, and supplement retailers, C4 Energy competes head-to-head with legacy energy drink brands.