L Glutamine is an amino acid and supplement with powerful benefits for fitness and health… ►The L-Glutamine I use: https://amzn.to/2sEySeG Amino acids can exist on their own, or they can join together to form protein strands. What does glutamine do? Well Glutamine is the most common amino acid found in your muscles – over 61% of skeletal muscle is made of Glutamine. So not only are your muscles made of Glutamine, but glutamine also circulates the body in the blood and there several types of cells in your body which rely on that same glutamine as their unique energy source. Glutamine is the preferred respiratory fuel for lymphocytes, hepatocytes and intestinal mucosal cells. It also plays a big role in transporting nitrogen throughout the body Glutamine powder can be taken as a supplement to support a healthy body. STUDIES REFERENCED: https://www.ncbi.nlm.nih.gov/pubmed/2080048 https://www.ncbi.nlm.nih.gov/pubmed/8803512 http://jn.nutrition.org/content/131/9/2569S.full