Optimum Nutrition Gold Standard 100% Whey is a high-quality complete protein from Glanbia Performance Nutrition. It is the #1 Best-Selling, most awarded, and most reviewed Whey Protein Powder in the world. It is a blended protein with whey protein isolate (WPI) as the primary protein. It provides 24g protein, 5.5g BCAAs, and 11g of naturally occurring EAAs per scoop to help build and maintain muscle, and support endurance and recovery. With 100% of protein from whey, it is suitable for Vegetarians. Gluten Free. Informed Choice certified-tested for banned substances. Trusted by the best athletes all over the world for over 35 years. It is also instantized for easy mixing using just a glass and spoon. Available in  different flavors and size options  – there’s no doubt this is the GOLD STANDARD®.