Recovery, Increase Endurance, Improve Immune Function Applied Nutrition L-Glutamine is an amino acid found in proteins of all life forms. It is classified as a semi-essential or conditionally essential amino acid. L-Glutamine is the most abundant amino acid in the body, and plasma glutamine levels are the highest of any amino acid. L-Glutamine is predominantly synthesized and stored in skeletal muscle. Core Benefits Ultra pure micronized L-Glutamine The most abundant amino acid in the body Unflavoured and mixes easily Supports muscle repair and reduced soreness Boost immune system function Enhancenutrient digestion Powerful anti-catabolic Reduce muscle breakdown