Jia Ye Oolong (also known as GABA Oolong), is a kind of oolong tea that is fermented under anaerobic conditions. When the tea is fermented under these conditions, it will produce a lot of GABA (Gamma-aminobutyric acid), an amino acid that occurs naturally in the human brain to help neurons communicate effectively.

It is a heavy fermented oolong, so it will brew an amber tea liquid. The mouthfeel is rich, with a sweet entrance It has not only the sweetness of black tea but also the jujube aroma of white tea,

Produced in the October of 2025 in Chiayi County, Taiwan, this is definitely worth a try.

Sold in 25 gram packs or 100 gram packs.