GAT L-Glutamine is pure amino acid and potent enough to be used by some of the world's greatest physique & performance athletes. Each serving supplies 5.0g of high-quality L-Glutamine. Because it is unflavored, this product can easily be added to protein shakes, pre- or post-workout drinks, or your favorite beverage. Each serving of this product supplies 5,000 mg (5.0 g) of pharmaceutical-quality L-glutamine. Additional product features: