R1 WHEY BLEND by Rule 1 is a 3-source whey protein powder combining whey concentrate, isolate, and hydrolyzed isolate to deliver 24g protein, 11g EAAs, and 5g naturally occurring BCAAs per scoop at 130 calories. Informed Choice certified through LGC for banned substance testing, making it trusted by competitive and collegiate athletes. 28 servings per container.