Applied Nutritions Endurance Energy Isotonic Gel is an excellent gel supplement containing maltodextrin and magnesium lactate. Maltodextrin is made up of “glucose polymers,” which are chains of glucose molecules that are easily absorbed and metabolized by the body. Maltodextrin, as a glucose polymer, although technically a complex carbohydrate, is derived from starch and gets its name from the fact that it is formed from dextrose polymers of varying lengths. 23 g carbohydrates. No sugar. Supports muscle recovery.