C4 Ultimate is the most powerful C4 we've ever created. It's not for the weak. It's not for the weekend warrior. This is for those that don't have limits in the gym. Those that aren't afraid to work, sweat, and bleed for their next best. It's dosed to the brim with the powerful ingredients that your body begs for. You will feel the explosive energy run through your veins as you prep for battle in the gym. This maxed-out formula also packs a heavy punch of nootropics, mood enhancers, pump amplifiers and endurance boosters to push you to your ultimate limit. C4 Ultimate will challenge you for one more rep, one more set, and to pick up that heavy dumbbell you've been thinking about for weeks.