L-GLUTAMINE from Nale is the most abundant amino acid of all, which is necessary for the proper functioning of muscles, for physical and mental fatigue, it helps us recover from injuries, traumatisms, to have a high resistance in sports practices , etc. Glutamine is essential for healthy, smooth and elastic skin and helps delay aging, helps produce new skin cells. Glutamine helps in immunological processes improving them. It is important for hair to grow strong and healthy. Glutamine is also associated with fatigue, poor mental performance, poor concentration, and insomnia. DIRECTIONS FOR USE: Dissolve 5.5 g of product (1 scoop) in a glass of water, drink on an empty stomach and wait half an hour before eating.