what is zen theanine
A: The intended use for Zen Theanine is that of a relaxant to produce mental and physical relaxation, without inducing drowsiness. Based on the results of clinical studies, it has been established that L-theanine is effective in the range of 50 â 200 mg.: The intended use for Zen Theanine is that of a relaxant to produce mental and physical relaxation, without inducing drowsiness. Based on the results of clinical studies, it has been established that L-theanine is effective in the range of 50 â 200 mg.