Glutamine, an amino acid, participates in many metabolic processes, including the process of metabolizing carbohydrates in the kidneys. One of the byproducts of that process is ammonia. Approximately half of the ammonia is excreted as urine while the other half is returned to circulation and passed to the liver.

magicmine / Getty Images
This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.