Maintaining a corn-free diet requires a great deal of diligence since corn masquerades under a variety of names on food labels. Avoiding corn in its most obvious forms—cornstarch, corn meal, corn syrup and corn oil—is relatively easy. Doing the detective work to root out other possible sources of corn can be much more challenging and confusing. The best way to combat that feeling is to educate yourself with reliable information. Here’s our primer on being corn free and gluten free.