Description Ingredients: Oolong tea (Taiwan). Brew at 90°C to prevent scalding. Test results of the Art of Tea high mountain oolong GABA tea from this region is fairly consistently at about 200mg/100ml (see GABA content test result_2022) The natural GABA tea making process involves a unique procedure where the leaves are “oxidised” in an anaerobic (oxygen-free) condition, using nitrogen instead of oxygen. This process causes the natural glutamic acid in the tea leaves to convert to GABA (Gamma-Aminobutyric Acid). Whilst all teas from the Camellia sinensis contain some natural GABA, the amount of GABA in regular green, black and oolongs teas is considered to be minimal.
