What does maltodextrin gluten free mean? This is a rather unfamiliar term that not a lot of us would have heard about. In fact, the word maltodextrin will definitely fall under the category of medical jargons, right? The thing is, you are asking the question wrong. Maltodextrin means that a food is gluten free. There are several reasons why a person would want to look for maltodextrin food, and stick to them.