Sucrose: Sucrose consists of one glucose molecule and 1 fructose molecule linked collectively. 1 For a disaccharide, it is just too huge for Your whole body to soak up. As part of your digestive tract, sucrose is broken down into glucose and fructose, which are absorbed independently into your bloodstream. https://alch-lab.com/keto-diet/how-much-sugar-on-keto/