The Bigger Picture of Blended Proteins Since different proteins have distinct amino acid profiles and utilization rates, Pro Complex� Augmented Protein System (APS) combines 8 sources to create a superior protein blend, designed to enhance your muscle-building potential. Uniting Whey Protein Isolates, Egg Albumen, and Hydrolyzed Proteins, and key Free Form Amino Acids, Optimum Nutrition has created a protein with varied digestion rates and an amino acid profile that�s off the charts. Each serving of Pro Complex� APS is packed with 60 grams of the highest quality proteins commercially available. Simply put, it�s formulated to take you to the next level. The Advanced Pro Complex� Protein Blend Pro Complex� is made of an exclusive blend of Ion-Exchange Whey Protein Isolate, Cross Flow Microfiltered Whey Protein Isolate Egg Albumen, Glutamine Peptides, Whey Peptides, L-Leucine, L-Isoleucine, L-Valine. Beyond The Basics * 8 Premium Protein Sources * Over 14,000 mg of BCAAs * 10,500 mg of Glutamine & Precursors * Loaded with Protein Microfractions * Digestive Enzymes * Comprehensive Vitamin & Mineral Blend * Instantized