GABA (Gamma Amino Butyric Acid) is naturally occuring in all tea (camellia sinensis) however Japanese scientists discovered a special nitrogen rich process where GABA is significantly enhanced. That how Gaba tea was born. In now days Taiwan tea farmers adopted and improved this process, make Gaba Oolong Tea very popular all around the world. Gaba tea helps decrease stress & anxiety and impove memory. It has a pleasant, slightly sweet taste, almost more like a black tea flavor than a regular oolong. Made in Taiwan.