Home > Manufacturers > Optimum_Nutrition > Glutamine Powder, 1000 grams Glutamine Powder, 1000 grams Glutamine Powder, 1000 grams OP-113 Your Price: $52.45 Regular: $62.99 You Save: $10.54 Quantity: : Description: Glutamine is the most abundant amino acid in the body, comprising more than 60% of the free amino acid pool in skeletal muscle and greater than 20% of total circulating amino acids. Each serving provides 4.5 grams of pure L-Glutamine. Nutrition Facts: Serving Size (g) 4.5 Servings Per 222 L-Glutamine (g) 4.5 Suggested Use: As a Dietary Supplement, mix one teaspoon of Glutamine Powder with 8 oz. water or your favorite beverage, or use as directed by a physician, licensed nutritionist, or personal trainer. Use 1-2 servings daily for best results.