Medically reviewed by Karina Tolentino, RD Key Takeaways In the morning, opt for caffeinated tea, such as black and green tea ...

Green tea contains caffeine and tannins, an antioxidant that can mess with iron absorption. So drinking it at certain times ...

Green tea may be best to drink in the morning on an empty stomach. Green tea can interfere with iron absorption if drunk with a meal. Drink green tea plain or with a source of vitamin C to increase ...

Green tea contains caffeine and antioxidants, which may support metabolism, appetite management, and the fat-burning process in the body. While the time of day you choose to drink green tea comes down ...

While Americans love starting their day with a cup or two of coffee, in other parts of the world, tea reigns supreme. From the milky cups of Earl grey and English breakfast they sip in the United ...

Drinking green tea with L-theanine can cause calm alertness because the caffeine in the tea wakes you up, while L-theanine promotes relaxation.

According to new research, this centuries-old beverage supports long-term brain health by dialing down inflammation and balancing hormones, leading to better sleep, steadier moods, and sharper focus.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." While Americans love starting their day with a cup or two of coffee, in other parts of the world, tea ...