L-Glutamine Powder helps maintain normal brain metabolism‚ supports digestive health & the immune system‚ & stimulates glucose production. L-Glutamine has the ability to pass through the blood-brain barrier‚ helping to provide glucose to the brain for its energy. L-Glutamine helps provide nitrogen to the body‚ which is essential in proper lymphocyte function. Lymphocytes are cells that designate immune response towards foreign microorganism. L-Glutamine helps protect the body from high levels of ammonia‚ & can support gastrointestinal tract integrity.