Medically reviewed by Femi Aremu, PharmD Key Takeaways Green tea is a good source of caffeine and L-theanine, containing both in moderate amounts.The combination of green tea and L-theanine creates a ...

Green tea extract and caffeine are often combined in supplements to enhance energy, focus, and fat metabolism. When taken together, they may offer synergistic benefits but raise the risk of side ...

New research in people with a cluster of heart disease risk factors has shown that consuming green tea extract for four weeks can reduce blood sugar levels and improve gut health by lowering ...

Green tea has been one of the most popular drinks in the world for centuries. It's also been touted for its antioxidants, which are believed to provide an array of health benefits. Studies have ...

Green tea has long been cited for potential health benefits. Now a new study looks at green tea extract and finds it may help reduce blood sugar levels. It may also lower gut inflammation, according ...

Compounds in green tea can reprogram muscle metabolism to boost insulin sensitivity and glucose tolerance, according to new findings that further our understanding of why this ancient drink has long ...

New research in people with a cluster of heart disease risk factors has shown that consuming green tea extract for four weeks can reduce blood sugar levels and improve gut health by lowering ...

Green tea is as famous for its potential health benefits as its vibrant color. The beverage has been around for millennia, used for hydration, ceremony and medicinal purposes, with researchers calling ...

Black, green, oolong, and white tea come from the Camellia sinensis plant — also known as the tea plant. The leaf extract is the oil from its leaves (1). Camellia sinensis or tea leaf extract has ...

Some supplements can be dangerous for your heart, a cardiologist says. They can interact with common heart medication, and even trigger heart issues in healthy people. Turmeric, green tea extract, St.

An abstract of a study published in Current Developments in Nutrition looks at whether health risks associated with a set of risk factors known as metabolic syndrome may be diminished by consuming ...