The application of lactulose (food grade) lies largely in replacing sucrose. Products using this sweetener are available as low-calorie, sugar-free. Lactulose is used in the manufacture of a wide variety of confectionery such as chocolate, hard candy, caramel, fondant and chewing gum, as well as ice cream and baked goods. All of these products demonstrate the versatility of lactulose as a bulk sweetener.

In the production of chewing gum, lactulose (food grade) can replace sorbitol to avoid moisture absorption during production and storage. This means that good packaging materials can be used, which also has a positive impact on the environment. In hard and soft candies, the mixture of lactulose and maltitol syrup is similar to traditional confectionery products in terms of processing and quality of the final product. For biochemical research. ;Lactulose (food grade) is used as an indirect nutritional supplement in industry, and can be added to fresh milk and beverages.
Lactulose (food grade) can also be used in dairy products, meat products, baked products, pasta products, seasoning foods, etc.