Adults can safely consume up to 400 milligrams of caffeine daily, which equates to roughly three cups of coffee, says Alissa Steinberg, a registered dietitian and founder of Healthy U. During ...

Starbucks is offering a slew of other springtime coffee and matcha flavors. Last spring's lavender beverages will make their return, including the Iced Lavender Cream Oatmilk Matcha, Iced Lavender ...