<<Disclaimer: Verify this information before applying it to your situation.>> These are so yummy, but to make sure about the natural flavouring not being a no-no for non-gluten eaters, I checked with the manufacturer and this is their response: "Hi Louise Thanks for your e-mail, I am delighted to confirm that Terry's Chocolate Oranges are Gluten free, so you will be able to enjoy them with out worry. Its great to hear from people who really enjoy our products, thanks again for your enquiry. Regards Jo Toovey Kraft Foods UK" This is a comforting response.