The collective agreement among reviewers is that a protein intake of 1.2-2.2 g/kg is sufficient to allow adaptation to training for athletes whom are at or above their energy needs. In other words, when you’re maintaining or lean bulking, a protein intake of 1.2 to 2.2 grams per kilogram of body weight per day—0.55 to 1 gram of protein per pound of body weight per day—is adequate.
