Can matcha help relieve stress?

Yes, it can. Matcha has insanely high amounts of a specific amino acid called L-theanine, which has strong associations with the production of alpha waves in the brain. When L-theanine is absorbed into the bloodstream, dopamine and serotonin levels tend to rise, which often produce alpha waves, which often produce feelings of well-being, general happiness, relaxation, and alertness.