Jack's has the option for Gluten Free bread. I have had the Earthquake 3 x's and it's a very good sandwich. If you have an allergy of any kind, you can tell them and they are happy to work with you. I don't believe that the Gluten Free bread adds anything to the cost of the sandwich (but you might double check that). All of the staff has been very kind all of the times I've been there. *Disclaimer* I have not watched them while they prepare the food. If you have an allergy of some type, I will leave it up to you to make sure your order is prepared the way you want it.
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