WHEY PROTEIN is a 100% natural protein concentrate of whey and is ultrafiltered to be low in fat, lactose and carbohydrates. WHEY PROTEIN is a rich source of glutamine-rich proteins. 51% percent of the proteins found in whey are from BLG (Beta-Lactoglobulin), 20% of whey is ALB (Alpha-Lactalbumin), 10% Immunoglobulin, 10% Albumin, and 7% minor fractions.