While Strawberry Kiwi and Watermelon Lemonade can be found in the standard line, you’ll find flavors like Mandarin Marshmallow in the Vibe line. Usually, if a chain gets an exclusive Celsius ...

However, because Celsius energy drinks contain around 200 milligrams of caffeine, I spaced the test out over four days. Here's my ranking of the flavors I tried, from worst to best.