We asked registered dietitians to explain green tea's caffeine content, factors that affect how much caffeine is in each cup, and how green tea stacks up to other caffeinated drinks. Green tea ...

One study found that daily consumption of matcha tea improved cognitive functioning among elderly women but not men. Plus, matcha's caffeine and theanine (an amino acid) content may help increase ...

It is possible to drink too much caffeine, as actor Dakota Johnson recently found out after she had lots of caffeine-infused energy drinks while directing her first movie and found herself ...

When green tea is freshly brewed, it packs more EGCG than ready-to-mix or ground green tea powders, which range widely in their EGCG content ... on your sensitivity to caffeine.

These distinct features are typically attributed to the tea’s unique production process. Because of its naturally high caffeine content, Assam tea is frequently marketed as a breakfast tea.

Caffeine and sleep may seem like polar opposites — but there may be a benefit to combining them. The "napuccino" has become a popular method to optimize sleep and wake up with more energy by ...

They have urged consumers to be wary of supplements which contain caffeine and for users to calculate their intake alongside other sources such as energy drinks, coffee and tea. STV News reports ...

Keep on scrolling for how to manage your coffee/tea/energy-drink intake to make sure you avoid those dreaded rebound headaches. The first thing to do to help deal with an awful caffeine headache?

If this is all sounding familiar to you, there are a few reasons behind why you’re not getting the hit that you need, and a couple of lifestyle changes could amend your response ot caffeine all ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content ... how much caffeine from tea, coffee, and ...