Comparing the caffeine content of black tea and coffee isn't as simple as you might expect. Here's what you should know in ...

A 2017 meta-analysis of 17 studies found that green tea polyphenols may limit bone loss, especially in women who don't drink ...

Of them, green tea gets a lot of credit for being high in antioxidants and giving the brain a potential boost in cognition. Caffeine is a natural stimulant that affects the central nervous system.

Is mint tea good for high blood sugar? There’s no evidence ... Green tea contains caffeine, so if you are avoiding caffeine, look for an herbal mint tea without green tea. If you would like ...

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 ...

We’ve been using Natrol High Caffeine Tablets for a while ... are made from natural sources such as green tea and guarana. Is taking caffeine pills a good substitute for drinking coffee?

Getting that jolt, of course, is why many of the most popular beverages on Earth—coffee, cola, tea—just happen to contain caffeine. Whether it's a graduate student downing mocha in the lab or ...