 Dialulose is a rare sugar that occurs naturally in some fruits and vegetables. It is a low-calorie sweetener with almost no calories per gram, 0.4 kcal slash g. Studies have shown that it can reduce postprandial blood glucose levels, which may be beneficial for people with diabetes or those who are trying to manage their weight. This article was authored by Taniyuma, Masahaki Takuta, Naoki Nishimoto, and others.