Pure Leaf Real Brewed Tea Unsweetened Black Tea. Pure Leaf Real Brewed Unsweetened Black Tea. Brewed from real leaves. Never from powder. No sugar. 0 calories per bottle. 18.5 fl oz (1.15 pt) 547ml. Real brewed, fresh taste. Congratulations! You just picked a real brewed iced tea, which means it's brewed from real tea leaves picked at their freshest, never from powder or concentrate (like some other iced teas). Plus, there is no sugar, so you can enjoy the delicious and refreshing taste of tea, brewed for you by Pure Leaf.