What is the Lowest Calorie Fruit Juice? An In-Depth Look
                                
                                
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                                    3 min read                                
                            
                                According to nutritional data, a cup of pure tomato juice contains only about 41 calories, making it a contender for the title of what is the lowest calorie fruit juice. This fact reveals that not all fruit juices are high in sugar, offering healthy hydration and nutrients without the extra calories of other popular juices.