Details L-glutamine is a natural amino acid that is vital for muscle growth, maintaining a healthy digestive system and supporting brain function. L-glutamine is the most abundant amino acid in the body and is an important building block of protein. It has been categorised as a conditionally essential amino acid that is required in greater amounts during times of extreme stress, physical trauma, illness and muscle wasting. Ingredients L-glutamine 1 gram per gram. No other ingredients. Each 5 mL metric teaspoon provides 5000 mg (5 grams) of pure L-glutamine. Directions for Use Adults: 1 metric teaspoon dissolved in a glass of water or juice, once or twice daily. Children over 5: 1/4 – 1/2 teaspoon dissolved in a glass of water or juice, once or twice daily. Warnings Patients should consult their healthcare practitioner if symptoms persist.