MHP GLUTAMINE-SR UNFLAVOREDGlutamine SR provides a potent dosage of L Glutamine, which is the most abundant amino acid in the body, and is used by your gut, immune system and muscles for fuel. High intensity exercise and strict dieting can deplete glutamine concentrations. Glutamine supplementation helps replenish glutamine stores, which enhances the immune system, speeds recovery and boosts muscle protein synthesis. Unfortunately, L Glutamine can be quickly broken down in your