L-Glutamine is the most abundant amino acid in muscle tissue, making up over 60% of skeletal muscle. It plays a critical role in immunity, gut health, and recovery — but intense training can deplete levels faster than the body can produce them, making supplementation essential for serious athletes. EHPlabs' L-Glutamine is HPLC tested to pharmaceutical grade standards, so you know exactly what you're getting. Immunity & Gut Health Glutamine is a primary fuel source for immune cells and is essential for their growth and function. Intense physical activity can significantly reduce circulating glutamine levels, leaving you more susceptible to illness. Supplementation helps restore these levels and supports the body's natural inflammatory response. Glutamine is also the gut's preferred amino acid, playing a key role in repairing and maintaining the intestinal barrier. Regular supplementation has been shown to improve overall digestive health and may help reduce symptoms associated with IBS, IBD, and celiac disease. Lean Muscle & Recovery Glutamine serves as a building block for protein synthesis, supporting lean muscle gain and strength improvements. Studies show that glutamine supplementation during resistance training increases lean tissue mass, muscular power, and upper and lower body strength — while also reducing muscle damage, accelerating recovery, and decreasing delayed onset muscle soreness (DOMS). Suggested Use: Mix 1–2 scoops with 295ml of water. Do not exceed 3 scoops per day.