Key functions in the body • Immune system support: L-glutamine is a vital fuel source for immune cells, including lymphocytes, macrophages, and neutrophils. Higher demand for glutamine occurs when the body is fighting off illness or dealing with trauma. • Digestive health: It provides energy for the fast-growing cells that line the intestines, helping to maintain the integrity of the gut barrier and protect against "leaky gut". • Nitrogen transport: L-glutamine is the primary transporter of nitrogen in the body, which is essential for synthesizing proteins and for other metabolic functions. • Brain function: It acts as a precursor to the neurotransmitters glutamate and GABA, which are crucial for mood, cognition, and nerve function. • Wound healing and recovery: L-glutamine is crucial for tissue repair and recovery from injuries, surgeries, and burns. & Dietary sources and supplements L-glutamine is naturally present in a variety of protein-rich foods, and the typical diet usually