Dorian Yates Glutamine is a powerful dietary supplement that contains glutamine, a semi-essential amino acid. This glutamine can be produced by the body and significantly contributes to supporting the immune system, brain health, and digestive health. It plays a crucial role in providing "fuel" to the body's cells, as well as in the production of glucose and other amino acids, which are the building blocks of proteins. The packaging contains 300 grams of powder, ideal for enhancing your nutrition.