Product Features | Iconic and essential, C4 Original is our foundational explosive pre-workout. Available in an amazing array of sugar-free flavors, C4 Original is built with a classic energy, endurance, pumps, and performance formula. | Building on C4 Original, C4 Ripped supports energy, pumps, and performance, but also features a powerful cutting formula with L-Carnitine, Capsimax cayenne extract, and additional ingredients to help support your fat-loss efforts. | C4 Extreme is fully transparent, made without artificial flavors or dyes, and contains an innovative formula with 25% more energy (200mg) and endurance than C4 Original, plus 2x the nitrates, to deliver enhanced energy, pumps, focus, and performance. | Our most advanced pre-workout, C4 Ultimate is fully loaded with 300mg of caffeine, 6g citrulline malate, 3.2g CarnoSyn Beta-Alanine, and an array of supporting ingredients to deliver the ultimate in explosive energy, pumps, performance, and focus. | Combining a decade of art, science, and obsession, C4 Dynasty is a powerful pre-workout only we could make. We are the pioneers of pre-workout performance. The masters of explosive energy. C4 Dynasty is the culmination of all our work. |