As America's #1 selling pre-workout, C4 Original lives up to its solid reputation with a classic formula for advanced energy, endurance, focus and pumps! But with a new bottle design and more delicious flavor options for you to choose from, you'll feel like it's your very first time experiencing the C4 pre-workout you know and love.Whether you're just starting a fitness journey or you're striving to reach that next level, C4 Original will help you unlock your full potential.Contains CarnoSyn Beta Alanine, an amino acid, which converts to a compound in your body called carnosine. It is the only patented and clinically studied form of beta-alanine that has been shown to support muscular endurance.Key Elements:1.6g CarnoSyn Beta- Alanine150MG Caffeine1g Arginine AKG