Many use l-theanine to improve stress disorders, mood and sleep hygiene. Yes. While black tea has less caffeine than coffee, it’s still a caffeinated beverage. Black tea has about 47 milligrams ...

Green tea has different ratios of caffeine depending on the type. Learn about high-caffeine coffee alternatives and decaf ...

“Black tea can have an astringent effect at the intestinal level, causing constipation or increased irritability of the colon,” according to the nutrition team at wellness company Marta Masi. Despite ...

Teas offer a variety of health benefits such as supporting metabolism, promoting heart and gut health, relieving stress, ...

To brew the perfect cuppa, Arthur suggests keeping the water just shy of boiling at 160-180F / 71-82C, letting the leaves ...

Who does not consume an herbal tea regularly? Well, the variety of flavors available together with its relaxing, antioxidant ...

In a startling revelation for the nation's tea enthusiasts, it turns out some of us might not have been brewing our cuppas ...

Globally, caffeine is a widely used stimulant typically consumed through drinks such as coffee, tea, and energy drinks ... you should consider the caffeine content of the supplement.

However guidance has been issued over food supplements containing caffeine, sometimes from multiple ingredients such as kola nuts, guarana and certain tea leaves such as black tea. Caffeine is ...

Guidance has been issued regarding food supplements containing caffeine, which can sometimes be derived from multiple sources such as kola nuts, guarana and certain types of tea leaves like black ...

Will Lipman Photography for Engadget Many of us rely on caffeine to get through long days and teachers are no different ...