Repair. Growth. Preservation. ProLab Glutamine Powder is a flavorless, easy-mixing and extremely versatile free form amino acid formula. Glutamine is the most abundant, naturally occurring amino acid in muscle tissue, but it can be rapidly depleted during intense training. Supplementing with ProLab Glutamine Powder replenishes depleted stores to help build new lean muscle and protect hard-earned gains by supporting protein-synthesis-the manufacturing of new muscle proteins. L-Glutamine also supports cell volumization which make muscle cells look and feel full and dense. ProLab Glutamine Powder supports post-workout muscle energy repletion, volumization and repair. This multi-functional amino acid also supports the body's buffering capacity against acid buildup-which plays a role in muscle fatigue. You do your part. We'll do ours.