50G 1.75 Oz. L Theanine Free Form Amino Pharma Grade Pure Powder Foil Sealed for freshness. Ultra Pure Powder.
L-Theanine is an amino acid commonly found in Green Tea leaves and derived from the leaves. This amino acid has shown to help with alertness, calming & soothing effects, and blocks the excess binding of Glutamic Acid to Glutamate receptors in the brain. L-Theanine has shown to have similar effects to caffeine without the negative effects of jitteryness, aniexty, or drowsiness. It is commonly used with Caffeine due to synergetic effects promoting alertness, focus, and calmness.