L-theanine is also present, in lower concentrations, in black tea. There’s less research on the effects of coffee on stress, but researchers have found moderate to high amounts of caffeine are ...
Are you a tea lover? Which tea variety do you prefer? If you want to lose weight, black tea might be a great pick. Learn how black tea helps with weight loss and offers other benefits. Did you know ...
Coffee and tea both contain caffeine. A standard eight-ounce cup of coffee contains about 95 milligrams of caffeine, while a cup of black tea has about 50 milligrams, and green tea has about 30 ...