How many calories are in cactus juice? Your complete nutrition guide
                                
                                
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                                    4 min read                                
                            
                                Unsweetened cactus water, a beverage derived from the prickly pear fruit, can contain as few as 19 calories per cup, positioning it as an ultra-low-calorie hydration option. For those mindful of their diet, understanding precisely how many calories are in cactus juice, and what influences this number, is a key consideration when choosing this nutrient-rich drink.