Question: how much caffeine green tea starbucks?
Answer: Starbucks' Iced Green Tea has 25 milligrams in a grande, which is significantly lower than a cup of coffee. Other iced green teas with 25 milligrams of caffeine in a grande include the Iced Peach Green Tea, the Iced Green Tea Lemonade, and the Iced Peach Green Tea Lemonade.