<<Disclaimer: Verify this information before applying it to your situation.>> Thanks to all of you who responded. I called the company that makes Hidden Valley Ranch and they said that because of the "natural flavoring" system, they cannot guarantee that the products are gluten free. That doesn't tell you whether it has the product or not, but then again, that doesn't mean that it isn't gluten free. At this point, I think that it is up to every individual to decide whether to eat it or not. As for myself, I am very sensitive to gluten and normally get a reaction after an hour of ingesting gluten. So, because of this, I will continue eating Hidden Valley Ranch until the day I get a reaction or until the day I see an ingredient in the dressing that lists a gluten containing ingredient. Simone