Calorifying is a term that usually refers to adding calories to a food or drink. Therefore, antonyms for calorifying could be words like "low-calorie," "light," "sugar-free," "low-fat," or "non-caloric." These words all suggest that something has fewer calories and is more healthy or diet-friendly than foods that have been calorified. Additionally, antonyms for calorifying may include words such as "detoxing," "cleansing," or "purifying," which all suggest that something is being stripped of harmful substances or pollutants, rather than being loaded up with excess calories. Ultimately, whether talking about food or drinks, there are many ways to communicate the idea of the opposite of calorifying, all of which suggest healthier options.