For example, in 1820, the German chemist Runge, discovered the caffein of coffee, and a few years after, Oudry, the French chemist, discovered the thein of tea—both crystalline bitter substances ...

Tea and coffee are both good sources of caffeine and antioxidants. Coffee contains twice as much caffeine as tea, and can give you a more immediate energy boost. Tea contains L-theanine ...

The perfect mocha coffee Could this coffee=based drink help keep tiredness at bay? There’s evidence the effects of caffeine in a cup of tea are enhanced by an amino acid it contains, called L ...

The Real Reason You Shouldn’t Order Coffee or Tea on an Airplane The researchers found that coffee drinkers had high levels of one specific bacteria strain, L. asaccharolyticus. The results ...

If you're looking for an alternative that will still give you an energy boost, green tea is a popular and tasty caffeinated beverage. It has three times less caffeine than coffee, and it's packed ...

Matcha – a Japanese concentrated form of green tea known for its vibrant colour – has become a familiar sight in supermarkets and coffee shops in recent years. Starbucks sells an iced matcha ...