Everyone’s needs are different, of course, so that number might vary from person to person. For instance, Matheny recommends that active people who work out regularly should eat about a gram of protein per pound of body weight each day. (The USDA recommends a gram of protein per
Matheny recommended that an active person eat roughly 1 gram of protein per pound of body weight each day. The USDA recommends 1 gram of protein per kilogram of bodyweight. An earlier version of this post incorrectly stated Matheny’s recommendation.