Published April 12, 2019 18:31 Do any of your flavors contain GMOs? None of our flavors contain GMOs. Related articles Do any of your flavors contain acesulfame potassium? I have an allergy. Can you confirm a certain ingredient is not in your flavor? Are any flavors sweetened with Stevia? Does the glass carafe contain any lead? How much quinine is in your tonic flavors?