L-glutamine supports the development of enterocytes, a type of cell that is plentiful in the epithelial lining of the gastrointestinal tract. L-glutamine also supports muscle glycogen stores, growth hormone production, and can cross the blood-brain barrier where the brain uses it for fuel. Free form amino acid, high purity, well tolerated. Serving Size: 1 Teaspoon Servings Per Container: 42 Amount Per Serving: L-Glutamine 4.7 gAs a dietary supplement, 1 teaspoon (approx. 4.7 grams) in water one to three times daily before meals, or as directed by a healthcare practitioner.Variations in product color may occur. Keep in a cool, dry place, tightly capped.