Weider L-Glutamine is a 100% pure high-quality glutamine powder drink formula which is primarily used to shorten recovery periods between workout units. This enables you to train more intensively in a shorter period of time and enables you to see the results of training more quickly.L-glutamine is a semi-essential amino acid and cannot be generated by the body in sufficient amounts during intensive training. Since l-glutamine makes up 60% of the amino acids in the amino acid pool of the muscles, it is very important to restore losses due to intensive workouts.Weider L-Glutamine improves regeneration of the muscles and therefore allows for a harder and more intensive workout. Furthermore, l-glutamine is an important energy supplier for the immune system and important for the protein metabolism.