XC4 is a revolutionary performance-enhancing creatine and muscle volumizing formula. This powerful 4-part formula is designed to deliver dramatic results in increasing strength, endurance, blood flow, and nutrient delivery. XC4 contains only the purest and highest quality Creatine Ethyl Ester Hydrochloride. An extremely water soluble form of creatine utilizing enhanced absorption, bioavailability, and stability. XC4 is excellent for "regular creatine" non-responders, bodybuilders and athletes. Reach your potential with XC4. XC4 Ethyl Creatine is different from other products in this category because it also contains a potent synergistic combination of citrulline malate and di-arginine malate. XC4 Premium Creatine Ethyl Ester Up to 40X Stronger Superior Grade Ester Creatine Muscle Mass and Strength Zero Cycling Necessary Excellent for Creatine Non-Responders Extra Potent 4 of the hottest performance products in one! Premium Creatine Ethyl Ester Citrulline Malate Di-Arginine Malate Proprietary Release Blend