How many calories are in a 20oz sugar free Red Bull?
                                
                                
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                                    4 min read                                
                            
                                According to Red Bull, a single 20 fluid ounce can of sugar-free Red Bull contains just 30 calories. This makes it a popular choice for those seeking an energy boost with minimal caloric impact. The low-calorie count is achieved by using artificial sweeteners instead of sugar.