The Institute also has research centres and regional representatives located in major tea-growing regions (such as India and Kericho, Kenya) and other key tea-drinking markets (including France, Japan, China, and the USA).
The Institute claimed as its mission "to promote awareness and understanding of tea, from bush to cup".
[2][3] Integral to the Institute’s research facilities was its operation of what it claimed was the world’s most northerly tea plantation at its UK headquarters.
[4][5] The Institute invested in clinical trials to support health benefit claims and its scientific understanding of Camellia sinensis (tea).
[6] Work focused on theanine and flavonoid antioxidants, both of which occur naturally in tea and are claimed to have health benefits.