NOW L-Glutamine 500 mg delivers a conditionally essential amino acid that plays a critical role in immune function, intestinal health, and muscle recovery. During times of physical stress or intense exercise, the body may require more glutamine than it can produce, making supplementation important for recovery and wellness. This formula supports the replenishment of glutamine levels in the body, helping maintain overall health and performance. Produced in a GMP-certified facility and backed by a trusted, family-owned brand, each capsule offers reliable, high-quality support you can count on.