Belgian Candi Sugar
Belgian Candi sugar is used especially in stronger, Belgian beers such as dubbel and tripel. It is an invert sugar, one that has been converted from sucrose to a mixture of fructose and glucose by heating with water and some acid. It is used to boost the alcohol content without adding extra body to the beer, and without forcing the yeast to produce invertase.
Also can be used as a priming sugar, with the same benefits.