You may have heard talk of the health benefits of oolong containing a number of antioxidant polyphenols the tea is reputed to promote weight loss reduce cholesterol and help control blood pressure this rather extraordinary style of oolong has been specifically designed to be high in gaba gamma amino butyric acid an amino acid said to help calm the nerves and relax the body for those intrigued by the ins and outs of tea technology the gaba technique involves exposing the fresh tea leave