Green tea contains caffeine and tannins, an antioxidant that can mess with iron absorption. So drinking it at certain times ...

Some say the best time to drink tea is at night, but that’s only if the tea doesn’t have caffeine. Learn which teas to drink in the day and at night.

Despite its caffeine content, science reveals that regular green tea consumption can significantly lower arterial stiffness ...

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

Green tea's impact shifts with the time of day, offering morning alertness and metabolic support, while evening consumption can be calming but risks sleep disruption. Circadian rhythms and caffeine ...

Based in Tampa, Florida, Virginia Pelley is a former women's magazine editor who has written health and fitness content for Men's Journal, Cosmopolitan magazine, the Chicago Tribune, ...

As the most consumed beverage on Earth next to water, tea is found in 80% of American households, according to the Tea Association of the U.S.A. And we’re still far behind other countries that drink ...