The original explosive pre-workout is now available in a delicious, sugar-free carbonated form! Featuring 200mg of caffeine. Carnosyn Beta-Alanine, and Citrulline Malate in every serving - Carbonated C4 Original On The Go packs the legendary energy, endurance, and pumps that you know and love from C4! Don't forget about that incredible C4 taste - with zero calories, zero carbs, and zero sugar!