Taro boba tea has fewer calories and carbohydrates per serving than a cup of coffee. Each serving has roughly 25 mg of caffeine, but the exact amount can vary greatly. Caffeine in a cup of coffee ranges from 95 to 165 milligrams. Therefore, taro boba tea is a nutritious and healthful drink. It also contains a lot of antioxidants and is gluten-free. For its flavor and health advantages, taro bubble tea, also known as taro milk tea, is a popular kind of bubble tea.