Brown sugar is made by adding molasses to white sugar. It is high in glucose and rapidly absorbed by the bloodstream. Confectioner's sugar , or powdered sugar, is made by pulverizing granulated sugar. It's high in glucose and is rapidly absorbed. It is high in glucose.
Date sugar is a powder made of dried, ground dates.
It is sweeter than sugar and is used in baking or as table sugar. It is high in sucrose. Fructose is refined from fruit. Fruit juice concentrates are available frozen. They are only two-thirds as sweet as sugar but are just as rapidly absorbed.