McCormick Non-GMO Gluten Free Pure Peppermint Extract, 1 fl oz Box. Enjoy the cool, mouth-tingling taste of peppermint, thanks to McCormick Pure Peppermint Extract. Made without any artificial flavors, artificial colors or corn syrup, it’s an easy way to bring intense peppermint to hot cocoa, coffee, cocktails and baked goods. It’s also non-GMO and gluten free. Here at McCormick we’re always working to craft the best flavors for you and your family. That’s why you won’t find any artificial flavors or coloring in this extract. This McCormick Pure Peppermint Extract is in a Plastic box that is 1 fluid ounces. Store this shelf-stable item at an ambient temperature.