\BPI Sports Best Glutamine, 450 g content for 50 servings of 9 g eachBest Glutamine contains a glutamine complex of 6 different forms of glutamine and high doses of vitamin CBest Glutamine Complex: L-Glutamine, Glutamine AKG, Glutamic Acid, N-Acetyl-L-Glutamine, Glutamine Oligopeptide Enzymatic Technology and L-Alanyl-L-GlutamineWhen the glutamine is used up, the body reverts to its own tissue (muscle breakdown), L-glutamine promotes muscle building and muscle maintenancePromotes insulin sensitivity and glucose production