Extra protein is bad for building muscle Home › Forums › Fitness › Extra protein is bad for building muscle Tagged: building muscle, protein This topic has 0 replies, 1 voice, and was last updated 3 years, 8 months ago by Dr Robyn. Viewing 0 reply threads Author Posts January 8, 2020 at 7:07 pm #4587 Dr RobynKeymaster Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In