How much green tea is optimal ?
How Much Green Tea Is Optimal? Studies that explore the benefits of green tea show conflicting evidence about exactly how much you should drink each day. Some studies show health benefits in people who drink as little as one cup per day, while other studies deem five or more cups per day to be optimal ( 15 , 16 Trusted Source ). Green tea may help lower the risk of several diseases. However, the optimal amount to drink may depend on the disease. Oral cancer: In a large observational study, women who drank three to four cups of green tea daily were the least likely to develop oral cancer ( 17 Trusted Source ). Prostate cancer: A large observational study found that men who drank five or more cups of green tea daily had a lower risk of developing prostate cancer, compared to those who drank less than one cup per day ( 18 Trusted Source ). Stomach cancer: Another large observational study showed a reduced risk of stomach cancer in women who consumed five or m...