L-Theanine 500mg Capsules Sleep, Memory, Stress, Relaxation Mood Focus Pills

WHAT IS THEANINE?. Theanine, also known as L-γ-glutamylethylamide and N⁵-ethyl-L-glutamine, is an amino acid of the proteinogenic amino acids L-glutamate and L-glutamine and is found primarily in certain plant and fungal species.