<<Disclaimer: Verify this information before applying it to your situation.>> i wrote to mycereal.com and asked them if they could assure me that their cereal was being produced in a gluten free environment and this is the response that says it all.. Dear Consumer: Thank you for contacting MyCereal.com with your inquiry. We can not guarantee that the cereal is produced in a gluten free environment. Your concerns will be shared with the appropriate departments within General Mills. Sincerely, [log in to unmask] Consumer Services