Serene Science L-Theanine

Help yourself relax with Source Naturals Serene Science L-Theanine! L-Theanine is a unique amino acid found almost exclusively in the tea plant (Camellia sinensis) and is the primary ingredient contributing to the unusual taste of green tea. Animal studies have shown that L-theanine crosses the blood brain barrier, supporting neurotransmitters within the brain. Human studies have shown that taking L-theanine supports natural rest and relaxation.