Maltodextrin is a polyaccharide that is used as a food additive. It is produced from starch by partial hydrolysis and is usually found as a white hygroscopic spray-dried powder. Maltodextrin is easily digestible, being absorbed as rapidly as glucose and might be either moderately sweet or almost flavorless (depending on the degree of polymerisation).

It is commonly used for the production of soft drinks and candy. It can also be found as an ingredient in a variety of other processed foods.