GYG are upfront about the fact that they have flour tortillas in their kitchen and probably can't completely avoid cross contamination. As per their nutrition guide, they have a lot of GF options, and I absolutely love their food. My favourite menu items are the burrito bowl, and nacho fries. Honestly though, I've been symptomatic more than a few times from gluten exposure there, so I now limit my trips to GYG.
— Somewhat
— Some
— Excellent