In November 2023, Foods magazine published the results of a study carried out on humans by the Yuanpei University of Medical Technology in Taiwan.
The purpose of this human study was to investigate the therapeutic effects of daily consumption of Gaba Oolong tea on improvements in blood pressure, relaxation-related brain waves, and quality of life (QoL) over a period of 28 consecutive days.
This study was based on the fact that emerging evidence has shown that using a new manufacturing technology to produce oolong tea (Gaba Oolong) fortified with γ-aminobutyric acid (GABA) could alleviate human stress and exert versatile physiological benefits.
The findings suggest that Gaba Oolong tea could serve as a natural source of alternative therapy to improve blood pressure, stress relief and quality of life.
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https://www.mdpi.com/2304-8158/12/22/4101/pdf?version=1699779671
Lin, C.-C.; Hsieh, C.-Y.; Chen, L.-F.; Chen, Y.-C.; Ho, T.-H.; Chang, S.-C.; Chang, J.-F. Versatile Effects of GABA Oolong Tea on Improvements in Diastolic Blood Pressure, Alpha Brain Waves, and Quality of Life. Foods 2023, 12, 4101. https://doi.org/10.3390/foods12224101