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 ...

New research shows a possible link between daily caffeine levels and the risk of Alzheimer's. But should you be having more ...

Heart health is woven into the fabric of daily life for many, particularly for those who turn to coffee for a boost of energy ...

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

This equals about four cups of instant coffee or five cups of tea. Single servings of caffeine of 200mg are considered safe for children. A safe level of intake for children and teens is about 3mg ...

I came into this actually thinking I was going to come off caffeine and level out and have like way ... ingredients throughout the world, with tea and coffee being the most prominent sources.

Although it can contain as much, if not more, caffeine than black tea, green tea provides a mellow energetic boost without ...

Researchers have found that caffeine intake ... of those surveyed drank tea, coffee or cola either first thing or mid morning - periods of the day in which stress levels also peak for most workers.

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 ...

Drinking coffee during pregnancy may not be as risky as once thought, according to a study that found no strong link between ...