Green tea is known for its potential health benefits and may lower the risk of several chronic health conditions. Drinking green tea in very large amounts may raise the risk of gastrointestinal ...

Certain herbal teas can lower blood sugar levels after eating. Teas to lower blood sugar include green tea, black tea, and hibiscus tea.

Drinking green tea with L-theanine can cause calm alertness because the caffeine in the tea wakes you up, while L-theanine promotes relaxation.