Detailed Product Description Japan Natural Stay Awake Drink: Caffeine, Green Tea, Maca Extract, Guarana Extract and other natural ingredients! Greetings from ASTERiSM Healthcare Plus in Kobe, Japan! This is a natural “stay-awake” drink suitable for everyone and mostly recommended for office workers, shift workers, drivers, students and all those who need a quick, easy “on the go” boost of energy! ...