Prairie Naturals 100% Pharmaceutical Grade and micronized L-Glutamine powder! This popular amino acid is in the limelight with fitness buffs and athletes because it increases strength and stamina during strenuous workouts that deplete plasma glutamine levels. Research shows that supplementing with L-glutamine can minimize muscle breakdown while improving muscle growth and recovery. It is also a key amino acid for digestive health and optimal immune function. At 5 g per serving, each 250 container delivers 50 servings. For best results , take 10 gr daily.