Eggwhite Protein from NOW is an excellent natural source of high quality protein. Good quality proteins contain virtually no fat or carbohydrates and rate well on the PDCAAS (Protein Digestibility Corrected Amino Acid Score), the newest and most accurate measurement of a protein's quality. NOW Eggwhite Protein contains <1 g of fat and carbohydrates per serving and rates as one of the highest quality proteins available when using the PDCAAS. A good mix of proteins from different sources provides the best results, and an excellent addition to any protein supplementation program.