Glycogen also makes up a good amount of muscle mass. But there was more in the shake than just pb and carbs. I had calculated a combination of macros though all those notes are long gone now. A 1500 cal shake over the course of a morning plus what amounts to 3500+ calories per day, all pre planned did not foresee the kidney stones peanut butter and cocoa would produce.
Of course not, protein is very literally what gains are made of.
Glycogen also makes up a good amount of muscle mass. But there was more in the shake than just pb and carbs. I had calculated a combination of macros though all those notes are long gone now. A 1500 cal shake over the course of a morning plus what amounts to 3500+ calories per day, all pre planned did not foresee the kidney stones peanut butter and cocoa would produce.