Gaspari Nutrition takes sports nutrition to the highest level with SizeOn - The Ultimate Hybrid Intra-Workout Amino Acid & Creatine Formula. The original SizeOn became known as the King of Creatines and by utilizing the latest advances in clinical research, this award-winning formula is better than ever!  Max Performance Benefits SizeOn - Maximum Performance - GASPARI NUTRITION Speeds up Protein Synthesis & Muscle Force Recovery Heightened Muscle Volume, Muscle Fiber Size, Cell Volume & Plasma Amino Acid Levels Intensifies S6K1 and 4E-BP1 Signaling and Hypertrophic mTOR Pathway Conduction Initiates & Maintains Myogenesis and Muscle Recovery While You Are Still Training Transports Vital Nutrients, Essential Minerals, and Growth Co-factors To Skeletal Muscle Tissue. Harnesses the Insulinotropic Power of Pterostilbene Contains the never before seen LOLA, our cutting-edge, amino acid salt L-Ornithine-L-Aspartate that cuts down on ammonia in the body!