xpensive is the GABA tea.Gaba tea was first developed by Dr. Tsusida at the former national research institute of vegetable, ornamental plants and tea (nivot), maff of Japan in 1987.
Alishan Gaba black tea is an all natural tea product that contains r-aminobutyric acid. The English acronym for r- aminobutyric acid is Gaba. The English called the tea Gaba tea.
It is well recognized that when fresh tea leaves are fermented for an extended period, glutamic acid will be converted into r-aminobuty