<<Disclaimer: Verify this information before applying it to your situation.>> Hello All! I just wanted to let everybody know that I spoke with someone from Imperial Sugar/Dixie Crystals The following products (name brands) are gluten free All Dixie Crystals All Colonial All Holly All Spreckles All Imperial All Pioneer All Wholesome Sweeteners all Sugars with all of those brands have been confirmed Gluten Free They are all made by the same company. I was told that all of the powdered sugars do contain corn starch-for those with Corn issues.. Thanks! Happy baking! Andrea