3-XL increases delivery of the Tri-Strength Creatine Complex and Third Generation Nitric Oxide components to muscle cells via Accelerated Plasma Shuttle Technology, which when combined with a structured diet and intense weight- training regimen, has been shown to: Increase Muscle Strength, Size, and Hardness; Generate Increase Blood Flow and Muscular Fullness; Increase Muscle Cell Volumization; Maximize Total Power Output; Enhance Muscle Fiber Recovery. ISatori 3-XL Proprietary Tri-Strength Creatine Complex: Creatine Ethyl Ester, Di-Creatine Malate, Creatine Monohydrate. ISatori 3-XL Third Generation Nitric Oxide Complex: L-Histidine, Di-Arginine Malate, Magnesium Chelate.