Sonic Blackberry Unsweet Iced Teas contain between 0-50 calories, depending on your choice of size. The size with the fewest calories is the Small Blackberry Unsweet Iced Tea (0 calories), while the Gallon Blackberry Unsweet Iced Tea contains the most calories (50 calories).
Choose from the sizes below to see the full nutrition facts, ingredients and allergen information.
