Proper workout nutrition intraworkout is an area that is being supported by a legit growing body of science. Intraworkout nutrition represents the next big nutritional frontier for bodybuilders & weightlifters. Even so many lifters often ignore this period. Why is targeted intraworkout supplementation so important Heres a short list proper rehydration muscle & liver glycogen resynthesis enhanced immune function decreased muscle catabolism increased muscle protein synthesis increased mu