Product description
Hunan Huacheng Biotech,Inc provides wide range of herb active ingredients extracts which includes l-theanine. Active ingredient: l-theanine. It is an amino acid and a glutamic acid analog commonly found in tea primarily in green tea. Theanine is an analog to glutamine and glutamate, and can cross the blood-brain barrier. It is sold in the us as a dietary supplement, and is fda confirmed as generally recognized as safe (gras). Contact us for more information.
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