If you've been thinking about switching from coffee to green tea, read on to learn everything you need to know about green ...

Unlike coffee, which is often associated with high caffeine and an on-the-go mentality, tea is increasingly positioned as a drink that supports well-being. In the US, tea consumption has grown ...

L-theanine is also present, in lower concentrations, in black tea. There’s less research on the effects of coffee on stress, but researchers have found moderate to high amounts of caffeine are ...

A type of green tea, it is often seen as a healthier alternative to coffee, but matcha also contains a high concentration of caffeine. Research shows that certain drinks, including green tea ...