l-Glutamine powderIn a convenient powder form, this l glutamine nutritionally supports the healthy functioning of the G. I. tract as well as lean muscle mass. What exactly is L glutamine and why does your body require it? Specifically, its the most abundant amino acid in the body and important in the preservation of lean muscle mass. In times of increased metabolic demand, L glutamine is used by the body for tissue repair and G. I. tract support. In addition, L