Check the listing for details. Proven Egg™, 100% Egg White Protein, Fruity Cereal, 2 lbs (900 g). Condition: New. Listed at 71.39 USD. 25 g Protein 6.5 g BCAAs Dairy Free Dietary Supplement Natually Flavored Keto Non GMO Paleo GMP - Good Manufacturing Practice Certified Protein Type Protein Efficiency Ratio Biological Value Net Protein Utilization PDCAAS* Beef 2.9 80 73 0.92 Black Beans 0 N/A 0 0.75 Casein 2.5 77 76 1.00 Egg 3.9 100 94 1.00 Milk 2.5 91 82 1.00 Peanuts 1.8 N/A N/A 0.52 Soy Protein 2.2 74 61 1.00 Whey Gluten 0.8 64 67 0.25 Whey Protein 3.2 104 92 1.00 *Protein Digestibility Corrected Amino Acid Score Numerous methods exist to determine protein quality. These methods have been identified as protein efficiency ratio, biological value, net protein utilization, and protein digestibility corrected amino acid score (PDCAAS). Egg protein is one of the highest rated protein sources in all four (4) rating scales.