Key FeaturesTaiwan organic GABA oolong tea contains r-aminobutyric acid which is named GABA. Each 100 grams of dried GABA tea leaves should contain a minimum of 150mg of GABA. The higher the GABA content, the more expensive is the GABA tea. Taiwan organic GABA oolong tea has an unique flavor. It is a healthy and organic tea. It is the organic tea certified by FSII, and the tea garden is located in Minjiang Township, Nantou County.