Perfect Whey Protein combines two excellent protein sources, whey protein isolate and whey protein concentrate to give you a high quality whey protein supplement that is low in lactose, carbohydrates and fat. Perfect Whey Protein includes only the best of the whey protein sources. Whey protein concentrate can be as little as 34% protein, or as much as 80% protein. All of the whey protein concentrate included in Perfect Whey Protein is the most concentrated whey available at 80% protein. Whey protein has a high concentration of branched chain amino acids, in addition to providing Lactoferrin, Immunoglobulin, Alpha-lactalbumin and Beta-lactoglobulin. Perfect Whey Protein mixes with a spoon, it is completely instantized and tastes great. Also available in 5lb version.