I swapped my daily coffee for green tea for 30 days to see the real impact. From energy levels to sleep quality, here's what ...

Both black and green tea offer health benefits, thanks to antioxidants, flavonoids, caffeine, and L-theanine. Black tea ...

Hold onto your teacups! We're about to spill the tea on the lesser-known side effects of green tea and its impact on your ...

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

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