is Schar Gluten free Pizza crust K4P?

Ingredients below-

corn starch , sourdough (rice flour, water) , water , rice flour, potato starch , rice starch , corn flour , yeast , modified cellulose , ethyl alcohol , dextrose , extra virgin olive oil ,sunflower oil , psyllium seed husk (vegetable fiber) ,iodized salt (salt, potassium iodide) , pea protein , glucono delta-lactone ; baking soda , tartaric acid , citric acid . May Contain: Sesame.