Yes they are! Here are the ingredients for Burger King fries: Potatoes, Soybean Oil or Canola and Palm Oil, Modified Potato Starch, Rice Flour, Potato Dextrin, Salt, Leavening (Disodium Dihydrogen Pyrophosphate, Sodium Bicarbonate), Dextrose, Xanthan Gum, Sodium Acid Pyrophosphate added to preserve natural color.