ISSAISSA GURUGABA (Gamma-aminobutyric acid) COFFEE is created by the international research team from Taiwan. It is also the world’s first health GURUGABA coffee drink culture and content essence that truly represents new born Eastern coffee culture. ISSAISSA’s coffee uses Taiwan’s unique Antrodia camphorata and high-quality Aracabi organic coffee beans grown at an altitude of 1,200 to 1,900 meters.