L-Theanine 500mg Capsules Sleep, Memory Stress, Relaxation Mood Focus 1000 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.

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