help/
support

help/support

speak with a Customer Support Representative
Call 1-800-824-4491
7am—Midnight CT Mon—Sat Text 1-800-824-4491
7am—11:30pm CT Mon—Fri,
8am—11:30pm CT Sat
More ways to contact us

Theanine (L-Theanine)

L-Theanine is an amino acid found in green tea that is very similar in structure and action to glutamate, a naturally-occurring amino acid in the body that helps transmit nerve impulses in the brain. L-theanine promotes a sense of calm alertness or relaxation without sedation.

32 items

REFINE