Since the very beginning, Optimum Nutrition 100% Whey Protein has raised the standard by which all whey protein supplements are judged. Now years later, we’re raising the bar again. Like it’s predecessors, Optimum Nutrition 100% Whey Protein contains Optimum’s exclusive, proprietary blend of… Microfiltered Whey Protein Isolates Ion-Exchange Whey Protein Isolates Ultrafiltered Whey Protein Concentrate HydroWhey Hydrolyzed Whey Peptides to give you more of what you want (pure, unadulterated whey protein) with less of what you don’t (fat, saturated fat, cholesterol, lactose, and other carbohydrates) with every serving. In fact, Optimum Nutrition 100% Whey Protein is better than ever! Here’s why: Each and every serving provides MORE PROTEIN 105% of the protein found in previous varieties. We’ve included MORE HYDROWHEY strategically hydrolyzed, low molecular weight whey peptides to make Optimum’s 100% Whey Protein even FASTER ACTING! Optimum’s 100% Whey Protein now CONTAINS LACTASE and AMINOGEN digestive enzymes to further enhance absorption and make this product even more friendly to lactose intolerant individuals. HIGHER PROTIEN PERCENTAGE. ON’s 100% Whey Protein has always been a leader in this respect. With 23 grams of protein in just a one ounce serving, it’s nearly 81% protein by weight! Every serving supplies even MORE low, moderate, and high molecular weight, biologically active WHEY PROTEIN MICROFRACTIONS including Alpha-lactalbumin, Glycomacropeptides, Beta-lactoglobulin, Immunoglobulin G (IgG), Lactoferrin, lactoperoxidase, and various growth factors. Over 4 grams of GLUTAMINE & glutamine precursors as well as 5 grams of BCAAs (leucine, isoleucine, and valine) in each scoop!