Smartlabs L-Glutamine - 500gL glutamine is an essential amino acid under certain conditions, the importance of which increases rapidly in the event of illness, convalescence or a difficult training period. It is the most abundant amino acid in the human body, especially in muscle tissue and blood plasma. L Glutamine is the main energy source of leukocytes (immune cells), through which it increases immunity. Smartlabs L Glutamine is suitable for athletes striving for maximum