Glutamine is the most abundant amino acid in the body, and constitutes to over 60% of muscle tissue. It plays a fundamental role in muscle protein synthesis and thus, supports growth and recovery of muscle tissue. Glutamine is referred to as conditionally essential, because though it is produced by the body, during periods of intense exercise, l-glutamine levels are subject to depletion, which can compromise protein synthesis. Each serving of BSN Glutamine DNA provides 5g of 100% micronised l-glutamine to support muscle development. Product Highlights Delivers pure, micronised l-glutamine in an unflavoured powder format that can be added to your post-workout shake for convenience, to assist recovery immediately after training. L-glutamine has also been shown to benefit health of the digestive system, as well as assisting function of the immune system.