Not 0 calories. China's standard "General Principles of Nutrition Labeling of Prepackaged Foods": "Sugar-free" means no more than 0.5 grams of sugar per 100 milliliters, while "zero calories" means no more than 17 kilojoules of calories per 100 milliliters, so the sugar-free cola contains only a small amount of So sugar-free cola contains only a small amount of calories, not really 0 kilojoules. Sugar-free colas do not contain sugar, but they do contain a sweetener called aspartame, which maintains the taste of sugar-free colas. Synthetic sweeteners do not provide calories, but sweeteners will make the taste nerves gradually rely on, and even more love of sweets, and sugar substitutes to produce calories or not, can be divided into nutritive sweeteners, and non-nutritive sweeteners.