A contract farmer in the Kunisaki Peninsula and its surrounding areas in Oita Prefecture, cultivating without using pesticides and chemical fertilizers, squeezing fresh leaves in the morning, and adding no fragrances, preservatives or colorings. Dietary fiber compound Yakult oligosaccharide (galactooligosaccharide) Derived from lactose, it is an oligosaccharide that reaches the intestines without being decomposed by digestive enzymes.