Since green tea comes from a plant, it does contain a small number of calories. What is a small amount? Well, each one-cup serving of green tea contains 2.45 calories. Beyond the calories, green tea also contains 2.45 milligrams of sodium, 2.45 milligrams magnesium, 19.6 milligrams of potassium, and .539 grams of protein.

source: dnaistheway.com/green-tea-calories-are-the-benefits-worth-it/